The area of square field is $$ ({69696})^{2}$$. Its diagonal will be equal to (use √2 = 1.414) 

Two labour A and B are paid a total of 1000 per day . If A is paid 150 percent of what is paid to B , how much is B paid ?

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

A hollow iron pipe is 21 cm long and its exterior diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weights $$ 8 g/cm^3 $$, then the weight of the pipe ($$ π= {22\over7}$$) is. 

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.

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