The floor of a rectangular hall has a perimeter `250 m\ dot` If the cost of painting the four walls at the rate of `10\ p e r\ m^2` is `R s .15000.` Find the height of the hall.

The floor of a rectangular hall has a perimeter 250 m. If the cost of painting the four walls at the rate of R s\ 10\ p e r\ m^2 is Rs 15000, find the height of the hall.[Hint : Area of the four walls = Lateral surface area.]

The floor of a rectangular hall has a perimeter 250 m . If the cost of painting the four walls at the rate of rupes 10 per m^(2) is rupes 15,000 , find the height of the hall.

The floor of a rectangular hall has a perimeter of 250\ mdot Its height is 6\ mdot Find the cost of painting its four walls (including doors, etc.) at the rate of \ R s .6\ p e r\ s q u a r e\ m e t r edot

The floor of a rectangular hall has a perimeter of 250\ mdot Its height is 6\ mdot Find the cost of painting its four walls (including doors, etc.) at the rate of \ R s .6\ p e r\ s q u a r e\ m e t r edot

The central hall of a school is 80m long and 8m high. It has 10 doors each of size 3m xx1. 6 m and 10 windows each of size 1. 5 m xx 1mdot If the cost of white-washing the walls of the hall at the rate of R s .1.20\ p e r\ m^2 is Rs. 2385.60, find the breadth of the hall.

A hall 36 m long and 24 m broad allowing 80\ m^2 for doors and windows, the cost of papering the walls at Rs 8.40 per m^2 is Rs 9408. Find the height of the hall.

Length of a class room is two times its height and its breadth is 1 1/2 times its height. The cost of white-washing the walls at the rate of R s .1.60\ p e r\ m^2 is R s .179.20. Find the cost of tiling the floor at the rate of R s .6.75\ p e r\ m^2

Length of a class room is two times its height and its breadth is 1 1/2 times its height. The cost of white-washing the walls at the rate of R s .1.60\ p e r\ m^2 is R s .179.20. Find the cost of tiling the floor at the rate of R s .6.75\ p e r\ m^2

Length of a class-room is two times its height and its breadth is 1 1/2 times its height. The cost of white-washing the walls at the rate of R s .1.60p e rm^2 is R s .179.20. Find the cost of tiling the floor at the rate of R s .6.75p e rm^2dot

The dome of a building is in the form of a hemisphere. Its radius is 63m. Find the cost of painting it at the rate of Rs. 2 per sq.m.