Question

A circular garden with radius 42 m is surrounded from outside by a path of 3.5 m wide. Find the cost to pave the stones on the path at the rate of Rs. 20 per m2.

YT pr dekh lo
shyad ho jaye
mera tho ho gya tha ​

Answer 1

Answer:

Correct option is

A

Rs.2002

Internal Radius = 21 m, External Radius =21+3.5=24.5 m

Area of path = π(24.5)

2

−π(21)

2

⇒π[(24.5)

2

−(21)

2

]

=500.5

Cost of travelling =500.5×4=Rs.2002

Step-by-step explanation:

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