Chandigarh 2020-21 NTSE Stage 1 Answer Key & Question Paper With Solutions

Paper: MAT

Directions (1−10): In the following questions, four items (numbers, number pairs/letter groups) are given. Three of them are alike in a certain way and one is different. Find the odd one out from the alternative.

Question 1. Find the odd one out

a. DE
b. PQ
c. TU
d. WY

Answer: (d)

DE: 4,5
PQ: 16,17
TU: 20,21
WY: 23,25

In all of (a), (b) and (c) the two letters are adjacent in the alphabetical series, however, in option (d), W and Y are not adjacent and thus the odd one out.

Question 2. Find the odd one out

a. CFI
b. DGJ
c. HKO
d. FIL

Answer: (c)

CFI: 3,6,9
DGJ: 4,7,10
HKO: 8,11,15
FIL: 6,9,12

In option (a), (b) and (d) each set of three letters is such that the three letters have two alphabets between successive letters. However, in option c, between K and O there are three alphabets and thus it is the odd one out.

Question 3. Find the odd one out

a. 11
b. 15
c. 17
d. 19

Answer: (b)

All the numbers except option (b) are prime numbers, i.e., they have only two factors, 1 and the number itself. However, 15 has 1,3,5,15 as its factors.

Question 4. Find the odd one out

a. ZW
b. TQ
c. SP
d. NL

Answer: (d)

ZW: 26, 23
TQ: 20, 17
SP: 19, 16
NL: 14, 12

Each pair of letters in options (a), (b) and (c) are 3 places apart. However, N and L are only 2 places apart and thus is the odd one out.

Question 5. Find the odd one out

a. 441
b. 343
c. 289
d. 625

Answer: (b)

441 = 21²

343 = 7³

289 = 17²

625 = 25²

All options except option (b) are squares of natural numbers. Option (b) is the cube of a natural number.

Question 6. Find the odd one out

a. SWU
b. CGE
c. STR
d. OSQ

Answer: (c)

As can be seen clearly, Option c (STR) is the odd one out.

Question 7. Find the odd one out

a. VUWH
b. JKLI
c. EFGD
d. STUR

Answer: (a)

Question 8. Find the odd one out

a. Carrot
b. Mango
c. Apple
d. Orange

Answer: (a)

All except carrots are fruits. Carrot is a vegetable.

Question 9. Find the odd one out

a. 25
b. 4
c. 49
d. 8

Answer: (d)

25 = 5²

4 = 2²

49 = 7²

8 = 2³

All numbers except 8 are a square of a natural number. 8 is a cube of natural number 2.

Question 10. Find the odd one out

a. 22
b. 4444
c. 333
d. 5555

Answer: (d)

2+2=2²
4+4+4+4=4²
3+3+3=3²
5+5+5+5=20

Directions (11 −20): In the following questions, there is a relationship between two figures on the left of the sign (::). The same relationship exists between the figures to the right of the sign (::) of which one is missing. Find the missing one from the alternatives.

Question 11. 23:48 ::33: ?

a. 96
b. 78
c. 58
d. 46

Answer: (c)

23 + 25 = 48

Similarly, 33 + 25 = 58

Question 12. 27 : 51 :: 83: ?

a. 102
b. 117
c. 138
d. 123

Answer: (d)

27 = 5² + 2

51 = 7² + 2

83 = 9² + 2

? = 11² + 2

Hence ? = 123

Question 13. ADH: CFJ :: LOS: ?

a. NQU
b. MPS
c. NQT
d. NPR

Answer: (a)

Question 14. DCB: WXY :: HGF: ?

a. SRQ
b. STU
c. RPM
d. RST

Answer: (b)

Question 15. 11:25 :: 17: ?

a. 33
b. 28
c. 37
d. 41

Answer: (c)

The rule followed is:

11 x 2 + 3 = 25

17 x 2 + 3 = 37

Question 16. 9 : 16 :: 49 : ?

a. 81
b. 64
c. 100
d. 121

Answer: (b)

Here one side is a square of two consecutive numbers.

3²:4² = 9:16

Similarly, 7²:8² = 49:64

Question 17. A : Z :: D : ?

a. Y
b. S
c. X
d. W

Answer: (d)

Writing the numerical order of alphabet and adding them should give us 27

A (1) :Z (26) ? 1+26 = 27
D (4) : W (23) ? 4 + 23 = 27

Question 18. 2 : 16 :: 5 😕

a. 125
b. 625
c. 425
d. 55

Answer: (b)

2 : 2⁴ = 2:16

Similarly, 5 : 5⁴ = 5 : 625

Question 19. DELHI : EDMGJ :: MUMBAI: ?

a. NTNABH
b. NVNCBJ
c. LVLCBJ
d. NVLMCDE

Answer: (a)

Similarly, we can have

Question 20. BDI : 942 :: GFH: ?

a. 786
b. 876
c. 867
d. 678

Answer: (c)

The number written after “:” is in reverse order of position of the alphabets.

Directions (21−25): Read carefully the information given between then answer the questions 21 to 25.

1. A and B teach Hindi and English.

2. C and B teach English and Geography.

3. D and A teach Mathematics and Hindi.

4. E and B teach History and Punjabi.

The following data can be inferred from the given question.

Question 21. Out of these teachers who teaches the maximum number of subjects?

a. A
b. B
c. C
d. D

Answer: (b)

From the table, it is clear that teacher B teaches the most number of subjects.

Question 22. Out of the following, which pair of teachers teach both Geography and Hindi.

a. A and B
b. B and C
c. C and D
d. None of these

Answer: (d)

Only teacher B teaches both Hindi and Geography. No other teaches both the subjects

Question 23. Which subject is taught by more than two teachers?

a. History
b. Hindi
c. Punjabi
d. Math

Answer: (b)

From the above table.

Question 24. Which are the subjects taught by all three− D, B and A.

a. Only English
b. Hindi and English
c. Only Hindi
d. Hindi and Math

Answer: (c)

From the above table.

Question 25. Out of the following, which teachers teach less than two subjects.

a. A
b. B
c. C
d. E

Answer: BONUS

None of the teachers teaches less than 2 subjects.

Directions (26−35): In the following questions, numbers/words are written in a certain sequence. Find the missing number/word to replace the questions mark from the given alternatives.

Question 26. 5, 11, 23, 47, ?, 191

a. 83
b. 98
c. 97
d. 95

Answer: (d)

Question 27. 8, 19, 41, 85, ? 349

a. 173
b. 168
c. 178
d. 171

Answer: (a)

Question 28. A,E, I, M, Q, U, ?

a. V
b. W
c. Z
d. Y

Answer: (d)

Question 29. 2, 4, 8, 16, 32, 64, ?

a. 96
b. 112
c. 128
d. 132

Answer: (c)

Question 30. BP, EG, HJ, KM, ?

a. NQ
b. NP
c. OP
d. NM

Answer: (b)

The correct series should have been BD, EG, HJ, KM and then the answer will be NP.

Question 31. 2, 5, 9, ? 20, 27

a. 14
b. 16
c. 18
d. 24

Answer: (a)

Question 32. AN, BO, CP, DQ, ?

a. EJ
b. ES
c. EQ
d. ER

Answer: (d)

Question 33. 20, 19, 17, ?, 10, 5

a. 12
b. 13
c. 14
d. 15

Answer: (c)

Question 34. G, I, L, P, U, ?

a. A
b. B
c. Z
d. Y

Answer: (a)

Question 35. 240, 120, 40, ?, 2

a. 5
b. 10
c. 20
d. 15

Answer: (b)

Question 36. Gourav is Sunita’s brother. Sunita is Jyoti’s daughter. Jyoti is Prem’s wife. What is the relation of Prem with Gourav?

a. Father
b. Brother
c. Grand Father
d. Uncle

Answer: (a)

Clearly, Prem is the father of Sunita as well as Gourav.

Question 37. Seema is Sachin’s sister. Sachin and Sourav are brothers and Sorav is Kamla’s son. What is the relation of Kamla with Seema?

a. Sister
b. Daughter
c. Sister in law
d. Mother

Answer: (d)

Question 38. In a family, there is one head of the family, his wife, three sons and their wives. Every son has two sons and one daughter. How many male members are there in the family?

a. 4
b. 10
c. 8
d. 12

Answer: (b)

All quadrilaterals are males and all circles are females.

Number of male members = 1 + 3 + 6 = 10

Question 39. If the word READING is coded as RNIDAEG, how can the word HISTORY be coded?

a. HRSTOIY
b. HROTSIY
c. HROTISY
d. HRTOSIY

Answer: (b)

Here, the order of letter is changing so changing the same for HISTORY we will get

Question 40. If the word PINK is coded as RGPI, how can the word BLUE be coded?

a. DJCW
b. DWJC
c. DJW
d. DCJW

Answer: BONUS

Similarly, we get

There is no correct option having the correct answer which is DJWC

Question 41. If the word MADRAS is coded as NBESBT, how can the word BOMBAY be coded?

a. CPNCBX
b. CPOCBZ
c. CQOCB
d. CPNCBZ

Answer: (d)

Question 42. If the word SUCCESS is coded as VXFFHVV, how can the word VICTORY be coded?

a. YLFWRUB
b. YLFXRUB
c. YLFWSUB
d. YLFVSUB

Answer: (a)

Question 43. If the word COBRA is coded as 3152181, how can the word ZEBRA be coded?

a. 2652811
b. 2652181
c. 265211
d. 2651182

Answer: (b)

C O B R A = 3 15 2 18 1

Z E B R A = 26 5 2 18 1

The codes represent just the placement of letters in the alphabet series.

Question 44. In a certain code language, 851 is a code for “Good sweet apple”, 783 for “Good red rose” and 341 for “Rose and apple”. Find the code number for “Sweet”.

a. 8
b. 1
c. 5
d. 3

Answer: (c)

851 = Good sweet apple …(i)

783 = Good red rose …(ii)

From (i) and (ii), 8 = good

341 = Rose and apple …(iii)

(i) and (iii)

1 = apple

(ii) and (iii)

3 = rose

Therefore, 5 = Sweet

Question 45. If the green colour is called yellow, yellow is called blue, is called black, black is called red. Red is called purple, then what is the colour of human blood?

a. Red
b. Purple
c. Blue
d. Green

Answer: (b)

Green = Yellow

Yellow = Blue

Blue = Black

Black = Red

Red = Purple

Human blood = Red colour = Purple

Question 46. If in a certain language FASHION is coded as FOIHSAN, how is PROBLEM coded in that language?

a. ROBLEMP
b. PELBORM
c. PRBOELM
d. PELBROM

Answer: (b)

The first and last are the same, the rest word in the middle is reversed.

Question 47. If the code for HINDUSTAN is 110 what will be the code for AUSTRALIA?

a. 100
b. 102
c. 104
d. 116

Answer: (b)

HINDUSTAN = 110 = 8 + 9 + 14 + 4 + 21 + 19 + 20 + 1 + 14

AUSTRALIA = 1 + 21 + 19 + 20 + 18 + 1 + 12 + 9 + 1 = 102

Question 48. If the code for CONSTABLE is 91 what will be code for STABLE?

a. 97
b. 59
c. 79
d. 75

Answer: (b)

CONSTABLE = 3 + 15 + 14 + 19 + 20 + 1 + 2 + 12 + 5 = 91

STABLE = CONSTABLE – CON = 91 – (3 + 15 + 14) = 59

Question 49. If NIGHT is coded as 58 what will be code for TOMORROW?

a. 111
b. 113
c. 115
d. 137

Answer: (d)

NIGHT = 14 + 9 + 7 + 8 + 20 = 58

TOMORROW = 20 + 15 + 13 + 15 + 18 + 18 + 15 + 23 = 137

Question 50. If ROSE is coded as 6821, CHAIR as 73456, FRENCH as 961473 then SEARCH will be coded as:

a. 246173
b. 214678
c. 214763
d. 214673

Answer: (d)

ROSE = 6821

CHAIR = 73456

FRENCH = 961473

R = 6, O = 8, S = 2, E = 1, C = 7, H = 3, A = 4, I = 5, F = 9, N = 4

SEARCH = 214673

Question 51. If TOM is coded as 48 and DICK is 27 then HARRY means

a. 67
b. 50
c. 60
d. 70

Answer: (d)

TOM = 20 + 15 + 13 = 48

DICK = 4 + 9 + 3 + 11 = 27

HARRY = 8 + 1 + 18 + 18 + 25 = 70

Question 52. If REST is 0987 and BEAST is 29187 then BREAST is

a. 229187
b. 209187
c. 219187
d. 201987

Answer: (b)

REST = 0987

BEAST = 29187

By direct coding, B = 2, R = 0, E = 9, A = 1, S = 8, T = 7

BREAST = 209187

Question 53. If SLIGHT is 426875 then GIST is

a. 6845
b. 8645
c. 4568
d. 4586

Answer: (b)

SLIGHT = 426875
By direct coding G = 8, I = 6, S = 4, T = 5

GIST = 8645

Question 54. Rohan is taller than Aman but shorter than Siya. Kamal is taller than Pooja but shorter than Aman. Deepak is taller than Kamal but shorter than Siya. Who among them is the tallest.

a. Rohan
b. Siya
c. Aman
d. Deepak

Answer: (b)

Given is the visual representation of their heights w.r.t to each other.

S>R>A

A>K>P

S>D>K

From these three statements, we can say Siya is the tallest.

Question 55. If SKY is called SEA. SEA is called WATER, WATER is called AIR, AIR is called CLOUD and CLOUD is called RIVER, then what do we drink when we are thirsty

a. SKY
b. AIR
c. WATER
d. SEA

Answer: (b)

SKY = SEA
SEA = WATER

WATER = AIR

AIR = CLOUD

CLOUD = RIVER

We drink WATER when we are thirsty. However, according to code, WATER is called AIR

We drink AIR when we are thirsty.

Directions (56-65) The following questions consist of two words each that have a certain relationship with each other. Select the pair that has the same relationship as the original pair of words

Question 56. Sale : Purchase

a. Give : Receive
b. Shop : Market
c. Cash : Credit
d. Profit : Loss

Answer: (a)

Sale means giving away an item for money and purchase means receiving an item in exchange for money.

Hence, Give : Receive has the same relationship as the original pair of words.

Question 57. Graphite : Lubricant

a. Movement : Friction
b. Iron : Steel
c. Carbon : Non Metal
d. Diamond : Abrasive

Answer: (d)

Graphite is used as a lubricant. Similarly, diamond is used as an abrasive.

Question 58. War : Death

a. Chimney : Smoke
b. Coal : Fire
c. Fire : Smoke
d. Smoke : Pollution

Answer: (d)

War causes death. Similarly, smoke causes pollution. Fire does not necessarily cause smoke.

Question 59. Import : Export

a. Expenditure : Revenue
b. Expenditure : Debt
c. Expenditure : Tax
d. Deficit : Expenditure

Answer: (a)

Import and export are antonyms of each other. Similarly, expenditure and revenue are antonyms of each other.

Question 60. Geologist : Earth

a. Architect : Building
b. Aquarium : Fish
c. Archaeologist : Artifacts
d. Biology : Science

Answer: (c)

Geologists study Earth. Similarly, archeologists study artifacts.

Question 61. Green : Colour

a. Night : Dark
b. Child : Play
c. Walk : Health
d. Snake : Reptile

Answer: (d)

Green is a colour. Similarly, snakes are reptiles.

Question 62. Brass : Alloy

a. Car : Road
b. Truck : Loud
c. Pencil : Stationary
d. Police : Thief

Answer: (c)

Brass is an alloy. Similarly, a pencil is stationary.

Question 63. Cream : Cosmetics

a. Mountain : Valley
b. Tiger : Forest
c. Magazine : Editor
d. Teak : Wood

Answer: (d)

Cream falls under the category of cosmetics. Similarly, teak falls under the category of a type of wood.

Question 64. Family : Members

a. Nations : States
b. Country : Citizens
c. Town : Village
d. Minister : M.P.

Answer: (b)

A family contains members (people). Similarly, a country contains citizens (people).

Question 65. Sprain : Fracture

a. Devotion : Blessing
b. Excitement : Frenzy
c. Sleep : Dream
d. Fever : Malaria

Answer: (b)

Sprain is milder than fracture, i.e., fracture is a more severe form of injury than a sprain. Similarly, frenzy is a more severe/intense form of excitement.

Directions (66−70): In the following questions, you are given a combination of letters/numbers followed by four alternatives 1, 2, 3 and 4. Choose the alternative, which most closely resembles the mirror image of the given combination.

Question 66. SCHOOL

Answer: (b)

Question 67. COLLEGE<

Answer: (a)

Question 68. 98724

Answer: (c)

Question 69. CLASS

Answer: (d)

Question 70. AMBULANCE

Answer: (c)

Directions (71−75): In the following questions, you are given a combination of letters/numbers followed by four alternatives 1, 2, 3 and 4. Choose the alternative, which most closely resembles the water image of the given combination.

Question 71. RAJ

Answer: (a)

Question 72. VAYU36

Answer: (b)

Question 73. FROG

Answer: (c)

Question 74. FAMILY

Answer: (d)

Question 75. Wrote

Answer: (b)

Directions (76−80) In the following questions there is a problem figure in which there is one ? Choose the correct option to replace the ?

Question 76. Choose the correct option to replace the ?

Answer: (d)

12 = 3(sides of triangle) x (3 + 1) = 3 x 4

20 = 4(sides of a square) x (4 + 1) = 4 x 5

30 = 5(sides of pentagon) x (5 + 1) = 5 x 6

6(sides of hexagon)x(6 + 1) = 6 x 7 = 42

Question 77. Choose the correct option to replace the ?

Answer: (d)

From A to B one line is added to complete the inner triangle.

From B to C, one line shifted to the outer figure from the inner triangle to increase the number of sides from 3 to 4.

Similarly, From C to D, add one line to complete the inner triangle.

Question 78. Choose the correct option to replace the ?<

Answer: (d)

The middle figure changes from 4 sided, to 3 sided and then to 5 sided in A, B and C respectively. So, according to the pattern, D should have (5-1) = 4 sides.

From A to C, the top part changed from flat to an arrow. Similarly, the bottom flat parts in B will change to arrows. The most suitable option is (d).

Question 79. Choose the correct option to replace the ?

Answer: (c)

In A and B circle and square interchange themselves, also the vertices of the square in A touches the circle and the B circle touches the sides of the square outside. Hence, option (c).

Question 80. Choose the correct option to replace the ?

Answer: (d)

A to B, the outside quadrilateral is flipped upside down and another hollow quadrilateral is added inside the outer quadrilateral.

C is a triangle. In D it is flipped upside down and another hollow triangle is added inside it. The most suitable option is (d).

Directions (81−85) In each of the following questions out which of the figures (a), (b), (c), (d) can be formed from the pieces given in figure X.

Question 81. Which figures can be formed from the pieces of given figure X

Answer: Option (b) and (c)

Option (c)

Option (b)

Question 82. Which figures can be formed from the pieces of given figure X

Answer: (a)

As can be seen from the adjoining image, only option (a) can be made using the given pieces.

Question 83. Which figures can be formed from the pieces of given figure X

Answer: (a) and (b)

option a)

Or

option b)

Question 84. Which figures can be formed from the pieces of given figure X

Answer: (c)

Here the base of the triangle has more length than the shorter set of parallel lines of the trapezium. Then (c) is the most suitable answer.

Question 85. Which figures can be formed from the pieces of given figure X

Answer: (b)

Directions (86 −90) In the following questions there is a different rule according to which cells are filled and one is left empty with a ?. From the given alternative find the correct option that can replace the?

Question 86. From the given alternative find the correct option

a. 6
b. 8
c. 10
d. 14

Answer: (c)

The first and second triangles are identical. However, the rule we can figure out as:

6+8 = 14

Similarly, 6 + 4 = 10

Question 87. From the given alternative find the correct option

a. 75
b. 26
c. 25
d. 20

Answer: (b)

The rule in the given figures is:

2² + 4² = 4+16 = 20

3² + 9² = 9 + 81 = 90

Similarly, 1² + 5² = 1 + 25 = 26

Question 88. From the given alternative find the correct option

a. 18
b. 16
c. 12
d. 10

Answer: (b)

The row wise rule that is being following is as shown:

0.5 x 6 + 2 x 11 = 3 + 22 = 25

0.5 x 8 + 2 x 6 = 4 + 12 = 16

Similarly,

0.5 x 12 + 2 x 5 = 6 + 10 = 16

Question 89. From the given alternative find the correct option

a. 8C
b. 12B
c. 16C
d. 18C

Answer: (a)

In the ?, when seeing column as well as row-wise letter C should be there.

Also, Looking column wise, the numbers follow:

3, 3³ = 27 and 3² = 9

2, ? = 2³ = 8, 2² = 4

4, 4³ = 64, 4² = 16.

So, ? = 8C

Question 90. From the given alternative find the correct option

a. 13
b. 14
c. 20
d. 21

Answer: (b)

Numbers equidistant in the highlighted hexagon on either side of a have their sum constant.

For example:

2+18 = 20,

4+16 = 20,

Similarly, ?+6 = 20

So, ? = 14

Directions (91−95): In the following questions, in a certain code language ‘+’ means ‘×’, ‘-‘ means ‘+’, ‘×’means ‘÷’ and” means ‘÷’, then answer the following questions.

Question 91. 16 + 4 ÷ 2 – 21 x 7 ÷ 21

a. 33
b. 44
c. 48
d. 39

Answer: (b)

Here the question is incomplete.

‘÷’ means × should be the last statement as the other three pairs are complete and this is the only one which is left to be paired.

a. + → ×

b. – → +

c. × → ÷

d. ÷ → –

According to these conventions, 16 + 4 ÷ 2 – 21 × 7 ÷ 21 is written as

16 × 4 – 2 + 21 ÷ 7 – 21 = 64 – 2 + 3 – 21 = 44

Question 92. 28÷36 – 49 x 7 + 2

a. 12
b. 10
c. 8
d. 6

Answer: BONUS

a) + → ×

b) – → +

c) × → ÷

d) ÷ → –

28 ÷ 36 – 497 + 2 can be written as

28 – 36 + 49 ÷ 72= -8 + 72 = 6

Question 93. 86 – 9 x 12 + 4

a. 5
b. 7
c. 9
d. 13

Answer: BONUS

+ → ×

– → +

× → ÷

÷ → –

86 – 9 2 + 4 can be written as

8 – 6 + 9124 = 2 + 344 = 5

8 ÷ 6 – 912 + 4 can be written as

8 – 6 + 9 ÷ 12 × 4 = 2 + ¾ 4 = 5

Question 94. 225 x 15 – 196 x 14625 x 25

a. 8
b. 16
c. 4
d. 12

Answer: BONUS

+ → ×

– → +

× → ÷

÷ → –

225×15-196×14÷625×25 can be written as
225÷15+196÷14-625÷25=15+14-25 =4

Question 95. 23 + 46 – 80 x 2040

a. 11 × 22
b. 10 × 48
c. 11 × 26
d. 1022

Answer: BONUS

23 + 46 – 80 × 20 ÷ 40 can be written as

23 × 46 + 80 ÷ 20 – 40 = 10 ÷ 58 + 4 – 40 = 1022

Directions (96 −100): In the following questions, in a certain code language if ‘+ ‘+’ means ‘-‘, ‘-‘means ‘×’, ‘ ×’ means ‘x’, and ‘÷ ‘, means ‘÷’, then answer the following question.

Question 96. 14 x 2 – 6 + 10 + 4 x 2

a. 30
b. 40
c. 1
d. 16

Answer: (a)

+ → –

– → ×

× → ÷

÷ → ×

142 – 6 + 10 + 42 can be written as

14 ÷ 26 -10 – 42 = 76 -10 – 2 = 30

Question 97. 15 ÷ 5 + 1510 x 2

a. 54
b. 205
b. 0
d. 225

Answer: (c)

+ → –

– → ×

× →

÷ → ×

15 ÷ 5 + 15 ÷ 10 × 2 can be written as

155 – 15 × 10 ÷ 2 = 75 – 75 = 0

Question 98. 11 ÷ 15 x 3 + 6 – 5

a. 55
b. 35
c. 165
d. 25

Answer: (d)

a. + → –

b. – → ×

c. × → ÷

d. ÷ → ×

11 ÷ 15 × 3 + 6 – 5 can be written as

11 × 15 ÷ 3 – 65 = 55 – 3 0 = 25

Question 99. 13 + 3 – 5 -20 + 25

a. -314
b. 313
c. 318
d. -312

Answer: (d)

+ → –

– → ×

× → ÷

÷ → ×

13 + 3 – 5 – 20 + 25 can be written as

13 – 3 × 5 × 20 – 25 = 13 – 300 – 25= -312

Question 100. 196 x 14 25 x 5 + 225 x 15

a. 70
b. 55
c. 85
d. 196

Answer: (b)

+ → –

– → ×

× → ÷

÷ → ×

196 × 14 ÷ 25 × 5 + 225 × 15 can be written as

196 ÷ 14 × 25 ÷ 5 – 225 ÷ 15 = 14 × 5 -15 = 55