Question

Length and breadth of a ground is 20 m and 15 m respectively. Find the cost to prepare lawn in it, at the rate of Rs.5 per square meter.

Answer 1

find the area of the rectangular ground and then multiply the area with 5 to get the cost to prepare lawn in it
area = 20 ×15
= 300
cost = 300×5
=Rs.1500

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Answer 2

Length=20mBreadth=15m
So area of a rectangle=l×b
So 20m×15m= 300 square meter
We have to find the cost to prepare the lawn Per 1 square meter it costs 5 rupees
So per 300 square meters =?
300m×5 rupees =1500 rupees
So it costs 1500 rupees to prepare lawn for the groundI

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