Aptitude

If SI for 2 years at 10% is Rs 500, find the CI for the same period and rate.

What sum will amount to Rs 720 in 5 years at 8% SI?

Find the SI on Rs 10,000 at 9% p.a. for 146 days (365-day year).

Rs 500 becomes Rs 600 in 4 years at SI. What will Rs 700 become in 5 years at the same rate?

The difference between CI and SI on a sum for 2 years at 8% is Rs 64. Find the sum.

Simplify the ratio 24:36.

Divide Rs 720 between A and B in the ratio 5:4. Find A's share.

If a:b = 3:4 and b:c = 4:5, find a:c.

Two numbers are in the ratio 3:5, and their sum is 40. Find the numbers.

If x:y = 5:3, find (3x+2y):(3x−2y).

Find the mean proportional between 4 and 16.

Find the third proportional to 3 and 9.

Find the fourth proportional to 2, 3, 4.

The ratio of ages of A and B is 3:4. After 5 years, the ratio becomes 4:5. Find their present ages.

Two numbers are in ratio 4:5. If 10 is added to each, the ratio becomes 6:7. Find the numbers.

Divide 1050 among A, B, C in the ratio 2:3:5.

If 5:x = x:20, find x.

Ratio of boys to girls in a class is 5:3. If there are 40 students, find the number of boys.

A sum is divided between A and B in ratio 7:5. A gets Rs 700 more than B. Find the total sum.

Speeds of two trains are in ratio 3:4. The second train covers 480 km in 6 hours. Find the speed of the first train.

If a:b = 5:6 and b:c = 3:4, find a:b:c.

Two numbers are in ratio 7:9. Decreased by 12 each, the ratio becomes 3:5. Find the numbers.

If x:y = 3:4, find (2x+3y):(3x+2y).

A bag has Rs 1, Rs 2, Rs 5 coins in ratio 3:2:1, total value Rs 120. Find the number of Re 1 coins.

Present ages of P and Q are in ratio 4:5. Six years ago the ratio was 3:4. Find the present ages.