Quantitative Aptitude - Arithmetic Ability Questions

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 28090, and Rs 29775.4 respectively, what is the rate of interest?

The inradius of a equilateral triangle is 10 cm. What is the circum-radius (in cm) of the same triangle?

The point Q(a,b) is first reflected in y­-axis to Q1 and Q1 is reflected in x­axis to (­-5,3). The co­ordinates of point Q are

tan3A is equal to

Select the odd letters from the given alternatives.

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

What is the least number that should be added to the product 11 x 12 x 13 x 14 to make it a perfect square?

The mean score in a test of the 10 boys in a class was 15 while the overall mean of the 25 students in the class was 16.2. What was the mean score of the girls?