Quantitative Aptitude - Arithmetic Ability Questions

If √20 + √125 = 15.65, then what is the value of √45 + √5?

Select the odd number from the given alternatives.

What is the quotient when 1359 is divided by 48?

A thief is stopped by a policeman from a distance of 350 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/h and that of police man as 12 km/h, how far the thief would have run, before he is over taken?

ΔABC is right angled at B. BD is its altitude. AD = 4 cm and DC = 12 cm. What is the value of AB (in cm)?

Volume of a cube is 512 cubic cm, find its total surface area? (Take π = 22/7)

What is the value of cos 4π/3?

If x + 1x = -2, then the value of x631 + 1x632?