Chain Rule Practice Test 3 with solutions

Question : 2 of 10

Marks: +1, -0

8 men can reap 80 hectares in 24 days, then how many hectares can 36 men reap in 30 days?

Solution:

Men	Days	Area (hectares)
8	24	80
36	30	x

⇒

x/{80 }

{30]/{24} × {36}/8

∴ x =

{30}/{24} × {36}/8 × 80

= 450 hectares

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