If each edge of a cube is reduced by 25 percent, find the ratio of the volume of the original cube and the resulting cube?

A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 225 paise per sq m is

Two numbers are in the ratio x : y . If 2 is added to both numerator and denominator ,  the fraction becomes $$ 1\over2$$. Find the value of x + y . 

C can do a work alone in 120 days. B is twice as efficient as C and A is thrice as efficient as B. In how many days can they work Finish together?

The area of triangle is half the area of square. The perimeter of the square is 224 cm. What is the area of triangle?

Shrikant and Vividh started a business investing amounts of Rs 185000 and Rs 225000 respectively. If Vividh's share in the profit earned by them is Rs 9000 what is the total profit earned by them together ?

From the top of an upright pole $$24\sqrt { 3} $$ feet high, the angle of elevation of the top of an upright tower was 60⁰. If the foot of the pole was 60 feet away from the foot of the tower, what tall (in feet) was the tower?