"The cost of carpeting a room is Rs 120. If the width had been 4 metres less, the cost
Channel: Doubtnut
Date: 2020-04-05

"The cost of
 carpeting a room is Rs 120. If the width had been 4 metres less, the cost of
 the carpet would have been Rs 20 less. The width of the room is
(a)
 18.5m (b) 20m (c) 24m (d) 25m"