Quantitative Aptitude - Arithmetic Ability Questions

If xy (x + y) = m, then the value of x3 + y3 + 3m is:

If a : b is 32 : 35 and b : c is 21 : 32, then a : c is?

In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?

The distance between two places can be covered in 3.5hrs at a speed of 62 kmph. If the speed is increased by 8 kmph, how much time would be saved?

The length of a string is 8 feet and 9 inches, which is divided into 3 equal parts. What is the length of each part in inches?

What is the compound interest (in Rs) for 1 year on a sum of Rs 20000 at the rate of 40% per annum compounding half yearly?

When a number is increased by 105, it becomes 135% of itself. What is the number?

The weights of two iron balls are 3.5 kg and 7.5 kg. What is the percentage weight of the 1st ball with respect to 2nd ball.