What is the least number of square tiles required to pave the floor of a room 15 m ,17cm long and 9 m, 2 broad ?

A man crosses a diagonal of square in two minutes at the speed of 6 km./hr. Find the area of the square-

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

If the area of a triangle is 1176 cm² and the ratio of base corresponding altitude is 3 : 4, then the altitude of the triangle is :

A rectangular plot is 32m by 24m. The owner of that plot wants to divide the plot into equal parts and for that purpose he builds a fence of wire on one diagonal. If wire costs Rs. 15.50 per metre, how much amount will be spent on fencing?

A pipe of diameter d can drain a certain water tank in 40 minutes. The time taken by a pipe of diameter 2d for doing the same job in: 

The total surface area of a hemisphere is 166.23 sq cm, find its radius?

If the radius and height of a cylinder increase by 20% and15% respectively. Then what is the % change in curved surface area?