The total surface area of a cube is 726 cm², the volume of the cube is:
Three times a number increased by 8 is as twice the number increased by 15. Thenumber is:
The price of an article is increased by 25%, the increase is Rs. 10, then the newprice is:
There are 50 boys in a class whose average age is 12 years. There are 40 boys inanother class whose average age is 15 years. The average age of both the classes
taken together is:
The difference of two numbers is 26 and one number is thrice the other, one of thenumber is:
1/x-1/y=1/z, then z is equal to:
