it was necessary to engage 9 men for 4 days at 5 hours per day to clear a land.how many men working 6 hours per day can complete the same task in 10 days?
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Answered by
5
Answer:
3
Step-by-step explanation:
In mathematical language the problem is
working hr/day no. of days
5 4
6 10
no. of men
9
x(say)
no. of men and working hr/day are in inverse proportion
no. of men and no. of days are in inverse proportion
x = 9 × 5 ÷ 6 × 4 ÷ 10
x = 3
Required no. of men is 3
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