Time and work questions:
1. 10 workers take 6 days to complete the given work by working 4hrs per day, to complete same work by 5 workers by working 6 hours per day how many days it will take ?
Ans: 8 days
10x6x4/5x6=8
2. 15 workers take 12 days to complete the given work by working 3hrs per day, it takes 9 days to complete same work by 8 workers means how many hours perday they should work?
Ans: 6 hrs/day
15x12x3/9x8=6
3. 200 labours are working for 50days for 8 hrs per day to complete the task, how many days will take if 300 labours involved for 7hrs per day?
Ans: 38 days
200x50x8/300x7=38
4. 18 womens are taking 8 days to complete the task by working 2 hr/day how many womens need to complete the same task by working 4 hrs/day for 6 days.
Ans: 12 womens.
18x8x2/6x4=12
5. There are 10 workers woking for 8hr/day for Y days and there are X workers working for 4hrs per day for 5 days to complete the same task, then find X, Y?
Ans: X =any number that can be multiplied by 4
Y = any number that can be divided by 4.
X=4Y
Y=X/4
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