Addition & Subtraction of Decimals

Q.

Mithun’s uncle in America had sent him 10 USA dollars as a gift. Mithun used 350 rupees for a school trip. How much money was left with him? (1 dollar = 77.79 rupees)

Q. Half of 18 is 9.

1. True
2. False

Q.

Find the value.

$0.73+$ ___ $=1$

1. 0.27

2. 0.17

3. 0.3

4. 0.37

Q. Raju has 78 rupees 53 paise and Ramu has 96 rupees 74 paise. The total amount they have is

1. ₹ 175.27
2. ₹ 174.127
3. ₹ 173.87

Q.

Renu took part in a $100$m flat race. She fell down after running $85$m $20$cm. How much distance could she not cover?

Q.

What should be added to 0.2 to get 1.0?

1. 0.8

2. 1.2

3. 2.2

4. 1.8

Q.

Find the value.

$500+4+\frac{4}{100}$ = _____

1. 54.4

2. 54.04

3. 504.4

4. 504.04

Q.

Express $7$ m as Kilometres using decimals.

Q. Rahul has eaten a $\frac{2}{5}$th of 20 chocolates. How many chocolates did rahul eat?

1. 4
2. 6
3. 8
4. 10

Q.

7.005 - 0.55 = ____

1. 6.445

2. 6.455

3. 5.455

4. 5.445

Q.

Rashid spent $₹35.75$ for Maths book and $₹32.60$ for Science book. Find the total amount spent by Rashid.

Q. Forrest and Jenny participated in a relay race. The total distance to be covered is 21.87 km. If Forrest ran 14.68 km,
then enter the distance covered by Jenny in km.

1. 7.19

Q.

The sum of two numbers is 10. If one number is 2.75, then the other number is ______ .

1. 6.25

2. 7.25

3. 8.25

4. 8.75

Q.

Express the following as metres using decimals:

$2m45cm$

Q. The sum of two numbers is 15. If one number is 8.75, then what is the other number?

Q. Half of 18 is 9.

1. True
2. False

Q.

Convert $\frac{9}{5}$ to decimal form.

1. 1.60

2. 1.40

3. 1.70

4. 1.80

Q.

Subtract 3.68 from the sum of 2.44 and 3.72.

1. 2.33

2. 2.72

3. 2.48

4. 2.66

Q. Alex has 27 rupees 52 paise and Arjun has 44 rupees 66 paise. The total amount they had is ________.

1. ₹ 119.18
2. ₹ 87.25
3. ₹ 72.18
4. ₹ 56.32

Q. The difference of two numbers is 28.38. If the smaller number is 8.38, then what is the bigger number?

1. 35.25
2. 36.76
3. 20
4. 26.67

Q.

What should be added to 48.02 to get 50?

1. 1.98

2. 0.98

3. 98.02

4. 98.08

Q. A box contains coins of 50 paise, 1 rupee and 2 rupees. For 240 coins in the box, the ratio of 50 paise to 1 rupee to 2 rupees is 8 : 17 : 15. How many 1 rupee coins are there in the box ?

1. 48
2. 102
3. 90
4. 108

Q.

$2.6+1.4=$ ____.

1. 3.2

2. 2.2

3. 4.0

4. 3.10

Q. Rahul has 52 rupees 52 paise and Arjun has 66 rupees 66 paise. What is the total money they had ?

Q.

Subtract 0.7 from the sum of 2.5 and 5.2.

1. 7.7

2. 0.75

3. 7.0

4. 1.8

Q. Match the proper pairs.

1. 4.22
2. 0.014
3. 0.0909
4. 0.625

Q.

When 287.4 is subtracted from a number, 52.7 is left. Find the number.

1. 235.7

2. 341.1

3. 340.1

4. 234.7

Q. Ravi had ${\frac{5}{6}}^{\text{th}}$ of a cake with him. He ate ${\frac{2}{3}}^{\text{rd}}$ of it. The total amount of cake eaten by him is.

1. $\frac{5}{9}$
2. $\frac{10}{12}$
3. $\frac{10}{6}$
4. $\frac{10}{3}$

Q. Subract the coloured part and write the answer in decimal form.

1. 0.1

Q.

A mother and her two daughters got a room constructed for $₹62,000$ . The elder daughter contributes $\raisebox{1ex}{$3$}\!\left/ \!\raisebox{-1ex}{$8$}\right.$ of her mother’s contribution while the younger daughter contributes $\raisebox{1ex}{$1$}\!\left/ \!\raisebox{-1ex}{$2$}\right.$ of her mother’s share. How much do the three contribute individually?