Quantitative Aptitude - Arithmetic Ability Questions

What will be the net discount percentage of three successive discounts of 20%, 10% and 30%?

If P = 7 + 4√3 and PQ = 1, then what is the value of 1/P2 + 1/Q2?

Find the odd word / letter / number from the given alternative

In the given figure,PQ = PS = SR and QPS = 40 deg, then what is the value of QPR (in deg) ?

Deepak sells all his goods available in his shop at the cost price, but he cheats his customer and gives 20% less goods as he should give. Find his % profit.

Rakesh’s present age is 36 years. If 12 years ago, Deepak’s age was one-fourth of Rakesh’s age, then after 27 years what will be the age (in years) of Deepak?

A school has 8 periods of 45 minutes each, every day. How long will each period be if the school has to have 9 periods everyday, assuming the working hours to be the same?

A thief is stopped by a policeman from a distance of 250 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 5 km/h and that of police man as 7 km/h, how far the thief would have run, before he is over ­taken?