Quantitative Aptitude - Arithmetic Ability Questions

The simple interest on a sum for 20 years is 5/4 of the principal. What is the per annum rate (in percentage) of interest?

Simplify : 69 X 69 X 69 -65 X 65 X 669 X 69 + 69 X 65 + 65 X 65

A dishonest shopkeeper uses a weight of 850 gm instead of 1 kg and sells rice on its cost price. What will be his profit percentage on selling 5 kg rice?

The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ___ (app)

Pinaki is 9 years younger than Bhaswati. Thirteen years hence Bhaswati will be 1.2 times as old as Pinaki. Find Pinaki's present age.

In an arithmetic progression if 13 is the 3rd term, -­47 is the 13th term, then ­-17 is which term?

In the following question, select the odd word from the given alternatives.

After deducting 12% from a certain sum and then deducting 25% from the remainder, 2508 is left, then what is the initial sum?