Thirty men take 20 days to complete a job working 9 hours a
day.How many hour a day should 40 men work to complete the
job? (a) 8 hrs (b) 7 1/2 hrs (c) 7 hrs (d) 9 hrs
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Answer / seema
FOR 30 MEN D NO OF WORKING DAYS=20
FOR 40 MEN D NO OF WORKING DAY=20
MEN =30 40
DAYS =20 20
HRS PER DAY =9 x
30*20*9=40*20*x
so x=6.75hrs
| Is This Answer Correct ? | 31 Yes | 16 No |
Answer / satish pandey (gbpuat pantnaga
40/30=9/x
x=6.75
correct answer=7
| Is This Answer Correct ? | 13 Yes | 8 No |
Answer / shylu
9 hrs s d correct answer....
for 30 men d no of workin days=20
for 40 men d no of workin days=15
men : 30 40
days : 20 15
hrs per day : 9 x
30*20*9=40*15*x
so x=9hrs
| Is This Answer Correct ? | 20 Yes | 25 No |
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