The mean of the first 7 prime numbers is:

Find the value of 13/16 share of land whose 9/7 share is worth 10,116.

Find the mean of first Five Prime Numbers.

Four numbers, when arranged in ascending order, are w, x, y and z. The average of the smallest three numbers is 25.5 while the average of the largest three was 29.5. What is the range of the data?

What should be added to $$ {10 \ over 11} $$ to get the sum $$ {11 \ over 10} $$?

Two numbers are such that their difference, their sum and their product is in the ratio of 1: 7: 24. The product of numbers is

A number which, when increased by 123% becomes 3345. The number is—

Find the least number exactly divisible by 12,15,20,27 ?