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A mason can build a tank in 12 h. After ...

A mason can build a tank in 12 h. After working for 6 h, he took the help of a boy and finished the work in another 5 h. The time that the boy will take alone to complete the work is
option A 30
option B 45
option c 60
option D 64

A

30h

B

45h

C

60h

D

64h

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT SSC-WORK AND TIME -EXERCISE BASE LEVEL QUESTION
  1. P can do a piece of work in 12 days , while Q alone can finish it in 8...

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  2. A alone can do a certain job in 15 days , while B alone can do it in 1...

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  3. A mason can build a tank in 12 h. After working for 6 h, he took the h...

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  4. A and B can do a job together in 12days . A is 2 times as efficient a...

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  5. 16 children and 24 men complete a certain workin 18days. If each child...

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  6. A does 20% less work than B. If A can finish a piece of work in 7(1)/(...

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  7. A takes twice as much time as B and C take thrice as much time as B to...

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  8. A is thrice as good a workman as B and therefore is able to finish a j...

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  9. X can do a work in 16 days. In how many days will the work be complete...

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  10. 10 men and 8 women together can complete a work in 5 days. Work done b...

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  11. A takes twice the time taken by B and thrice the time taken by C to do...

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  12. X can do 20% of a work in a day , Y can do 25% of the same work in a d...

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  13. If one man or two women or three boys can finish a work in 88 days, th...

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  14. When A alone does a piece of work , he takes 25 days more than the tim...

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  15. X can do 1/4 of a work in 10 days, Y can do 40% of the same work in 40...

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  16. Five men are working to complete a work in 1 days. After five days ...

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  17. 4 men or 6 women or 10 children can paint a house in 5 days. The paint...

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  18. 4 goats or 6 sheeps can graze a field in 50 days . 2 goats and 9 sheep...

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  19. If 14 men and 12 boys can finish work in 4 days , while 8 men and 16 b...

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  20. If the work done by 8 men and 4 boys in 1 day is 7 times the work done...

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