1.A certain assignment was completed by 15 workers after working for 8 hours a day for 18 days. The same work could be completed by 16 workers working 9 hours a day in how many days?
A : 10 days
B : 8 days
C : 12 days
D : 15 days
E : None of these
2.A completes certain assignment in 12 days. B needs 24 days to complete the same assignment. If both of them work together they could complete that assignment in how many days?
A : 12days
B : 8 days
C : 6 days
D : 9 days
E : None of these
3.A, B and C working together can complete an assignment in 8 days. B alone can complete that work in 20 days. C alone can complete that work in 30 days. How long will it take for A alone to complete that work?
A : 30 days
B : 20 days
C : 25 days
D : 24 days
E : None of these
4. 9 Men can complete an assignment in 12 days. If 4 Men work as efficiently as 6 women, 18 women will complete the same assignment in how many days?
A : 12 days
B : 8 days
C : 9 days
D : 10 days
E : None of these
5. If 4 Men or 6 Children can complete an assignment in 12 days. Then the same assignment could be completed by 6 Men and 3 Children in how many days?
A : 12 days
B : 18 days
C : 9 days
D : 6 days
E : None of these
Answer 1 : D Answer 2 : B Answer 3 : D Answer 4 : C Answer 5 : D
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