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Awadhesh Ojha

· started a discussion

· 1 Months ago

explain (Question: 372569.0 )

pls give sol

Question:

There is a square field whose side is 44 m. A square flowerbed is prepared in its centre, leaving a gravel path of uniform width all around the flowerbed. The total cost of laying the flowerbed and gravelling the path at Rs. 2 and Rs.1 per square metre respectively is Rs. 3536. Find the width of the gravelled path.

Options:
A)

1 metre

B)

1.5 metre

C)

2 metre

D)

2.5 metre

Solution:

Ans: (c)


RAVI KANT

· commented

· 1 Months ago

let the side of the flowerbed x
so area of flower bed will be x2
and the area of the path will be 1936-x2

now put the cost value of laying them

x2×2 +(1936-x2)×1=3536
solve it to get x=40
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