Question

16. Find the cost of erecting a fence round a square field whose area is 625 hectare
at the rate of Rs. 1.50 per metre.​

Answer 1

sol:-1 hectare =0.01 kmsquare

$\: 1hectare = 0.01km {}^{2}$

= therefore, 625×0.01= 6.25km2

= 6.25km = 6250 metre

= 1 metre = ₹1.50/-

= 6250 × 1.50

= ₹9350/-

. : the total cost of erecting the fence round a square field is ₹9350/-

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