Quantitative Aptitude - Arithmetic Ability Questions

If ΔABC is an equilateral triangle of side 16 cm, then the length of altitude is

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

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

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

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

If A : B = 3 : 5, then what is the value of A + B : B?

Simple interest on a certain sum of money for 3 years at 16% per annum is half the compound interest on Rs. 12000 for 2 years at 10% per annum. The sum placed on simple interest is

Two trains are moving in the same direction at the speed of 23 km/hr and 77 km/hr. The time taken by faster train to cross a man sitting in the slower train is 40 seconds. What will be the length (in metres) of the faster train?