The product of two whole numbers is 37. The square root of the difference of the numbers is

If average of two x and $$1\over x$$ (where x ≠ 0) is A, what will be the average of x³ and $$1\over {x^3}$$?

The average of five numbers is  27.  If one  number is excluded. The average becomes 25. The excluded number is

If 30% of Aman's income is added to 40% of Raman's income, the answer is 80% of Raman's income. What percentage of Aman's income is Raman's income?

If 3 ^(X-Y)=27 and 3 ^(X+Y)=243, then X is equal to:

Find the area of a white sheet required to prepare a cone with a height of 21cm and the radius of 20cm.

Hari and Mohan contested a panchayat election. Hari got 52 percent votes and defeated Mohan by a margin of 90 votes. What was the total turnout in the election.

In a school 80% of the students are girls. The number of boys are 500. Then the total number of students in the school is