Ratio

Q.

The height of a particular tree is increasing at the rate of 10cm per month. What would be the height of the tree after 5 years if its present height is 10 m? (Growth of tree is uniform).

Q. If A=1/3B and B=1/2 C then À:B:C=?

Q.

If the angles of a triangle are in the ratio 2 : 3 : 4, then find the measures of each angle of the triangle

1. 40 ° , 60° , 80°

2. 45 ° , 65° , 80°

3. 30 ° , 60° , 90°

4. 35 ° , 65° , 90°

Q. Salaries of Ravi and Sudhir are in the ratio 2:3. If the salary of each is increased by 4000 the new ratio becomes 40:56. What is Sudhir`s salary?

Q.

What does a $2:1$ratio mean?

Q.

Neelam’s annual income is $Rs,2,88,000$. Her annual savings amount to $Rs.36,000$. The ratio of her savings to her expenditure is $1:7$

1. True
2. False

Q.

Mathematics textbook for class VI has $320$ pages. The chapter ‘symmetry’ runs from page 261 to page 272. The ratio between the number of pages in this chapter to the total number of pages in the book is

1. $272:320$
2. $12:320$
3. $3:41$
4. $10:320$

Q.

Find the ratio of the following in simplist form.

$90$ cm to $1.5$ m

Q.

In a class the ratio of boys to the girls is 7:8

.what part of the whole class are girls

Q.

A tanker contains 983 litres of water. Due to the leakage in the tanker the quantity of water decreases at the rate of 9 litres per hour.How much willwill be left in the tanker after 5 hours?

Q. The ratio 5:20 expressed as percent equals to

1. 50%
2. 25%
3. 125%
4. 5%

Q.

A:B = 4:5, B:C = 6:7and C:D = 14: 15. Find A:D.

1. 4:5

2. 5:4

3. 25:16

4. 16:25

Q.

State true or false

There can be ratios in decimal or not

Q.

The ratio between the prices of a scooter and a refrigerator is 4 : 1. If the scooter costs ₹ 45, 000 more than the refrigerator, find the price of the refrigerator

Answer should be ₹ 15, 000

Q.

For the four sets of three measured physical quantities as given below. Which of the following options is correct?

(i) $A_1=24.36,B_1=0.0724,C_1=256.2$

(ii) $A_2=24.44,B_2=16.08,C_2=240.2$

(iii) $A_3=25.2,B_3=19.2812,C_3=236.183$

(iv) $A_4=25,B_4=236.191,C_4=19.5$

1. $A_4+B_4+C_4<A_1+B_1+C_1<A_2+B_2+C_2=A_3+B_3+C_3$

2. $A_1+B_1+C_1=A_2+B_2+C_2=A_3+B_3+C_3=A_4+B_4+C_4$

3. $A_1+B_1+C_1<A_3+B_3+C_3<A_2+B_2+C_2<A_4+B_4+C_4$

4. $A_4+B_4+C_4<A_1+B_1+C_1<A_3+B_3+C_3<A_2+B_2+C_2$

5. $A_1+B_1+C_1<A_3+B_3+C_3<A_4+B_4+C_4<A_2+B_2+C_2$

Q. The ratio of the expenditure to the saving of a family is 7:3 find the income if expenditure is 6300 rupee

Q. Divide rupees 3600 into two parts such that if one part be lent at 9% per annum and the other at 10% per annum, the total annual income is rupees 333.

Q.

Convert $3:20$ into percent

Q.

In a regular polygon, the ratio of the interior angle to the corresponding exterior angle is 11 : 7. What is the measure of the interior angle?

1. ${110}^{\circ }$

2. ${120}^{\circ }$

3. ${70}^{\circ }$

4. ${100}^{\circ }$

Q.

A jar contains 550 beans. Of all the beans, $\frac{2}{5}$ is white beans and the rest is navy beans. What is the ratio of white beans to navy beans?

Q.

10:3 is ________________ form of the ratio 50:15.

Q.

If a: b= 4:9 and b : c = 3: 2 what is the ratio a: c ?

1. 2:1

2. 1:3

3. 3:2

4. 2: 3

Q. In the given figure the areas of diferent continents are given:
What is the ratio of the areas of
a. Africa to Europe
b. Australia to Asia
c. Antarctica to combined area of North America and South America.

1. (a) 8:89 (b) 2:25 (c) 13:45
2. (a) 6:7 (b) 5:6 (c) 8:34
3. None of these
4. (a) 13:5 (b) 2:11 (c) 13:35

Q. In the given figure the comparative areas of the continents are given:
What is the ratio of the areas of
a. Africa to Europe
b. Australia to Asia
c. Antarctica to combined area of North America and South America.

(Compartive areas of the continents)

1. (a) 8:89 (b) 2:25 (c) 13:45
2. (a) 6:7 (b) 5:6 (c) 8:34
3. (a) 13:5 (b) 4:21 (c) 13:35
4. None of these

Q.

The selling price of a table is more than its cost price by $25\%$ Then the cost price is less than selling price by

Q. A rectangle measures 40 cm at its length and 20 cm at its width. Find the ratio of the length to the width.

Q.

For comparison by ratio, the quantities must have the same unit.

1. Unit

2. Product

Q.

The ratio of income to savings of a person is 10:1. If his saving of one year is 6000 , what is his income per month?

Q. Three persons start a business and spend ₹ 25, 000, ₹ 15, 000 and ₹ 40, 000 respectively. Find the share of each out of a profit of ₹ 14, 400 in a year.

Q.

Ratio must be expressed in its lowest form.

1. True

2. False