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
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
Question ID - 50594 | SaraNextGen Top Answer
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
|
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 |
1 Answer
127 votes
Answer Key / Explanation : (c) -
Radius of the plot 21 m.
Area of the path = 
Cost of gravelling = 
127 votes
Answer Link
127