Quantitative Aptitude - Arithmetic Ability Questions

The angle of elevation of the top of a hill at the foot of the tower is 60 deg and the angle of elevation of the top of the tower from the foot of the hill is 30 deg. If the tower is 50 m high, what is the height of the hill?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

Find out the odd word/letters/number/number pair from the given alternatives.

Find the odd word/letters/number from the given alternatives.

Which of the following quadratic equations has real roots?

What is the mean of first hundred natural numbers?

One pipe can fill an empty cistern in 4 hours while another can drain the cistern when full in 10 hours. Both the pipes were turned on when the cistern was half-empty. How long will it take for the cistern to be full?

In the given figure, PQ is the diameter of the circle. What is the measure (in degrees) of QSR?