Quantitative Aptitude - Arithmetic Ability Questions

If the population of a town increases by 25% in the first year and increases by 36% in the second year, then what is the average rate (in percentage)of increase in the population?

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

The average age of 40 students of a class is 16 years. If the average age of 24 students is 15.5 years and that of the 15 students is 16 2⁄3 years, then the age of 40th student is

If two marbles are picked at random, what is the probability that either both are red or both are green?

If sec -7π/4 = x, then the value of x is

Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?

BE and CF are two altitudes of a triangle ABC. If AB = 6 cm , AC = 5 cm and CF = 4 cm , then the length of BE is

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