Quantitative Aptitude - Arithmetic Ability Questions

The ratio between the speeds of two buses is 11:9. If the second bus runs 270 kms in 15 hours, then the speed of the first bus is?

Select the odd letters from the given alternatives.

The sum for 2 years gives a compound interest of Rs 3225 at 15% rate. Then sum is

If tan π/3c + cosec π/6c = x, then x is

tanAcosec2A is equal to

If x – y – √18 = –1 and x + y – 3√2 = 1, then what is the value of 12xy(x2 – y2)?

What is the value of sec2θ + 1sec2θ - 1 x 12cotθ - tanθ ?

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?