The length and breadth of a conference hall are in the ratio 7 : 4 and

1.	The length and breadth of a conference hall are in the ratio 7 : 4 and its perimeter is 110 m. Find: (i) Area of the floor of the hall. (ii) number of tiles, each a rectangle of size 25cm×20cm, required for flooring of the hall. (iii) The cost of the tiles at the rate of Rs 1,400 per hundred tiles.
Answer» The length and breadth of a conference hall are in the ratio 7 : 4 and its perimeter is 110 m. Find: (i) Area of the floor of the hall. (ii) number of tiles, each a rectangle of size $25 c m \times 20 c m,$ required for flooring of the hall. (iii) The cost of the tiles at the rate of Rs 1,400 per hundred tiles.

The length and breadth of a conference hall are in the ratio 7 : 4 and its perimeter is 110 m. Find: (i) Area of the floor of the hall. (ii) number of tiles, each a rectangle of size 25cm×20cm, required for flooring of the hall. (iii) The cost of the tiles at the rate of Rs 1,400 per hundred tiles.

Answer»

The length and breadth of a conference hall are in the ratio 7 : 4 and its perimeter is 110 m. Find:

(i) Area of the floor of the hall.

(ii) number of tiles, each a rectangle of size $25 c m \times 20 c m,$ required for flooring of the hall.

(iii) The cost of the tiles at the rate of Rs 1,400 per hundred tiles.