2015 · Q56
There are 437 fruit plants in an orchard planted in rows. The distance between any two adjacent rows is 2 m and the distance between any two adjacent plants is 2 m. Each row has the same number of plants.- There is 1 m clearance on all sides of the orchard. What is the cost of fencing the area at the rate of Rs. 100 per metre ?
Elementary MathematicsMensuration
- ARs. 15,600
- BRs. 16,800
- CRs. 18,200
- DMore information is required
Explanation
437 = 19 x 23, so the orchard is 18 x 2 m by 22 x 2 m plus 1 m clearance: 38 x 46 m; perimeter 168 m at Rs.100/m = Rs.16,800. Hence option (b).