Solve Mathematics

A playground which is 250 m long and 20 m broad is fenced with wire. How much wire is needed ?

The sum of two numbers is 15. If the sum of their reciprocal is (5/18). Then what will be the difference between the numbers?

Rs. 2000 is divided among P.Q.R in the ratio 2 : 3 : 5 then Q will get ?

If x < 0,then |x - 7|= ?

Among the following numbers -68,32,-32,0,-3, the difference between the smallest and the greatest number is ?

The supplement of 90° is ?

In the library, 45% of total books are fictional books. If these are 1350 fictional books in the library, then how many total books are there ?

If one-third of one-fourth of a number is 15, then two-tenth of that number is?

If the total of four consecutive odd numbers is 40. What is the smallest number ?

x+y = 8, y+z = 7
and z+x = 5,
then x = ?

What is the area of the triangle whose sides are 11 cm, 61 cm and 60 cm.