A circular grassy plot of land, 42 cm in diameter has a path 3.5 m wide running around it outside. The cost of gravelling the path at Rs. 4 per square metre is |
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(a) |
Rs. 1002 |
(b) |
Rs. 1802 |
(c) |
Rs. 2002 |
(d) |
Rs. 3002 |

A circular grassy plot of land, 42 cm in diameter has a path 3.5 m wide running around it outside. The cost of gravelling the path at Rs. 4 per square metre is |
|||||||

(a) |
Rs. 1002 |
(b) |
Rs. 1802 |
(c) |
Rs. 2002 |
(d) |
Rs. 3002 |

1 Answer

127 votes

Radius of the plot 21 m.

Area of the path =

Cost of gravelling =

127 votes

127