Equivalent Ratios

Q. Identify the number to fill in the following blank:

$\frac{15}{18}=\frac{}{6}$

1. 5
2. 6
3. 3
4. 4

Q.

Which of the following are equivalent to
$3:2$?

1. $9:16$

2. $12:8$

3. $8:12$

4. $8:4$

Q. If $6:8$ and $3:x$ are equivalent ratios, find the value of $x$.

1. $4$
2. $5$
3. $6$
4. $3$

Q.

Present age of a grandfather is $72$ years, while his grandson's age is $12$ years. After $8$ years, ratio of grandfather's age to grandson's age would be ____.

1. 6:1

2. 4:1

3. 5:1

4. 9:1

Q.

A bag contains 2 pink, 3 red and 5 blue balls. Find the ratio of pink balls to the total number of balls.

1. 5:1

2. 1:5

3. 10:2

4. 2:10

Q.

The length of a table is 2 m and its breadth is 50 cm. Find the ratio of the length of the table to its breadth.

1. 4:1

2. 200:50

3. 1:4

4. 50:200

Q.

In a class, there are 30 boys and 60 girls. What is the ratio of boys to the total number of students in the class?

1. 1:2

2. 2:1

3. 1:3

4. 3:1

Q. A ratio equivalent to 4 : 11 is:

1. 8 : 33
2. 12 : 33
3. 11 : 33
4. 4 : 33

Q. The ratio of x to y is 2 : 3. If x is 6 then find y.

1. 7
2. 9
3. 3
4. 5

Q. The ratio of the ages of Rini to her sister is 1:4. If Rini's age is 6 years then her sister's age is:

1. 30 years
2. 22 years
3. 28 years
4. 24 years