The number of seats available for Biology and Computer Science in a school is in the ratio 5:8. They are to be increased by 30% and 25% . Find the new ratio.

Ratio and Proportion 24/10/2021

A. 6:10
B. 13:20
C. 3:4
D. 35:33

Let the number of seats be 5x and 8x. New ratio
= (1.3*5x):(1.25*8x)
= 6.5x:10x
= 13:20

Related Mcqs:

    A:B=2:3, B_C=3:4, A_D=4:5. Find C:D.
    A. 2:5 B. 4:5 C. 6:5 D. 8:5...
    A journey of 750 km was covered partly by car(x km) and partly by train(y km). If the distance travelled by train was 150 km more than the distance travelled by car, find x:y.
    A. 2:3 B. 3:2 C. 3:4 D. 4:3...
    The third proportional to 3.5, 5.6 is:___________?
    A. 8.96 B. 8 C. 4.5 D. 6.2...
    The ratio of two numbers is 5:9. If each number is decreased by 5, the ratio becomes 5:11. Find the numbers.
    A. 30, 19 B. 21, 37 C. 15, 34 D. 15, 27...
    The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²
    A. 54 cm B. 27 cm C. 12 cm D. 15 cm...

Leave a Reply

Your email address will not be published. Required fields are marked *