Ratio and Proportion Set 2

30, 40, 45, 60 are in proportion

• True

• False

5, 7, 36, 49 are in proportion

• True

• False

If A : B :: C : D, then (A × D) ≠ (B × C)

• True

• False

Two numbers are in the ratio 7 : 9. If the sum of the numbers is 800, then find the numbers.

• 350 & 540

• 450 & 530

• 450 & 250

• 350 & 450

Two numbers are in the ratio 7 : 9 and their sum is 192. Find the numbers.

• 84 & 108

• 48 & 108

• 84 & 180

• None of these

Rs. 600 is divided between A and B in such a way that B gets half of A. Find the shares of A and B.

• A = Rs. 400 and B = Rs. 100

• A = Rs. 200 and B = Rs. 400

• A = Rs. 400 and B = Rs. 200

• A = Rs. 300 and B = Rs. 300

The third proportional to 9 and 12 is _____.

• 15

• 16

• 17

• 18

Challenge:

A Square field side is 150 m wide. Find the ratio of side's length to it's perimeter.

• 1:4

• 4:1

• 2:3

• 1:3

If 7 : y :: 35 : 55, then y is equal to _____.

• 10

• 11

• 40

• None of these