40 person Dig 30 pits in 60 days how many day will 20 persons take a dig 15 such fit
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Answered by
9
Given : 40 persons dig 30 pits in 60 days , So
1 person dig 30 pits in 60 × 40 = 2400 days
And
1 person dig 1 pit in 240030 = 80 days
Then ,
1 person dig 15 pits in 80 × 15 = 1200 days
Therefore,
20 persons dig 15 pits in 120020 = 60 days
1 person dig 30 pits in 60 × 40 = 2400 days
And
1 person dig 1 pit in 240030 = 80 days
Then ,
1 person dig 15 pits in 80 × 15 = 1200 days
Therefore,
20 persons dig 15 pits in 120020 = 60 days
anil6396323:
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Answered by
6
4persons dig 30pits in 60 days
4 persons dig 1pits in 60/30=2 days
4 persons dig 15 pit in 2*15=30 days
1persons dig 15 pit in 30*4 days
20 persons dig 15pit in 30*4 /20 =6 days
4 persons dig 1pits in 60/30=2 days
4 persons dig 15 pit in 2*15=30 days
1persons dig 15 pit in 30*4 days
20 persons dig 15pit in 30*4 /20 =6 days
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