Quantitative Aptitude - Arithmetic Ability Questions

The variance of a set of data is 121. Then the standard deviation of the data is

In a class of 39 students there are 36 girls. The average weight of these girls is 38 Kg and average weight of the full class is 40 kgs. What is the average weight of the boys of the class?

When Vijay sells 12 pens, he gains the selling price of 2 pens. Calculate his % profit?

Find the mean of the first 6 prime numbers?

By dividing 14528 by a certain number, Suresh gets 83 as quotient and 3 as remainder. What is the divisor?

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 1,800, and Rs 1,926 respectively, what is the rate of interest?

Find out the odd word/letters/number/number pair from the given alternatives.

Find the odd word/letters/number pair from the given alternatives