18 men can reap a field in 35 days. For reaping the same field in 15 days , how many men are required ????
Answers
Answered by
53
if
18 men -= 35 days
then
a men = 15 days
so
x - 18 men - a men
y - 35 days - 15 days
i.e. 18x35 = 15 a
then
a = 42
18 men -= 35 days
then
a men = 15 days
so
x - 18 men - a men
y - 35 days - 15 days
i.e. 18x35 = 15 a
then
a = 42
sumit12343:
wrong answer
Answered by
28
Given = 18 men can reap a field in 35 days.
It takes 18×35=630 man-days
1 man can finish work in 630 days
2 men can finish work in 315 days
3 men can finish work in 210 days
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...
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Similarly
For how many men are required for reaping the same field in 15 days.
18 × 35 = 15
18 × 35/15 = 42.
Hence 42 mens can finish same work in 15 days.
It takes 18×35=630 man-days
1 man can finish work in 630 days
2 men can finish work in 315 days
3 men can finish work in 210 days
...
...
...
Similarly
For how many men are required for reaping the same field in 15 days.
18 × 35 = 15
18 × 35/15 = 42.
Hence 42 mens can finish same work in 15 days.
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