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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 ? | 32 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 |
A cube is painted red on two adjacent faces,yellow on two faces opposite to red faces and green on the remaining faces. It is cut into 64 smaller cubes of equal size.How many cubes have one face green and one of the adjacent faces red or yellow?Explain with diagram
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