Quantitative Aptitude - Arithmetic Ability Questions

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 4000 at the rate of 30% per annum?

If the equations 6x - 5y + 11 = 0 and 15x + ky - 9 = 0 have no solution, then the value of k is:

If Rs. 87 was divided between James and Radha in the ratio 1: 2, how much money did Radha get?

A man has some hens and some cows. If the total number of heads of hens and cows together is 50 and the nunber of feet of hens and cows together is 142, then the number of cows is

The square root of 5776 is

8 x {5 - (-2) x (-3)} = ?

By what least number should 1200 be multiplied so that it becomes a perfect square?

The area of the triangle whose vertices are given by (2,4), (-3,-1) and (5,3) is