Quantitative Aptitude - Arithmetic Ability Questions

A sum of Rs 4000 becomes Rs 7000 in 6 years at simple interest. If the rate of interest becomes double of itself, then what will be the amount (in Rs) after 6 years?

Select the odd word/letters/number/number pair from the given alternatives.

The length of one side of a rhombus is 13 cm and one of the diagonals is 10 cm. What is the legth of the other diagonal?

If 22, x, 88 are in a continued proportion, find the value of x.

If cosec 45° - sin 30° = x, then x is

If (-1/2) * ( x - 5) + 3 = -5/2, then what is the value of x?

If PQ and PR be the two tangents to a circle with centre O such that ∠QPR = 120° then ∠POQ is

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?