Quantitative Aptitude - Arithmetic Ability Questions

The diagonal of a square is 10√2 cm, find its perimeter?

32% of a number exceeds 17% of the same number by 120. What is the value of the number?

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

If ABCD is a trapezium, AC and BD are the diagonals intersecting each other at point O. Then AC : BD is

The HCF of 20, 28 and 48 is

The difference between simple and compound interest (compounded annually) on a sum of money for 3 years at 10% per annum is Rs. 93. The sum (in Rs.) is:

Choose the one which is different or odd from the following options?

If the standard deviation of a population is 4.5, what would be the population variance?