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B would have taken 10 hours more than wh...

B would have taken 10 hours more than what A would have taken to complete a task if each of them worked alone. Working together they can complete the task in 12 hours. How many hours would B take to do 50% of the task?

A

30

B

15

C

20

D

10

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CHAMPION PUBLICATION-2017 TIER-II PAPER(10)-EXERCISE
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  3. B would have taken 10 hours more than what A would have taken to compl...

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  6. On a television of brand A the discount is 25% and on television of br...

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  7. If 60% discount is offered on the marked price and selling price becom...

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  8. If 3A=6B=9C, What is A:B:C यदि 3A = 6B=9C, A:B:C क्या है?

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  9. How many job applicants had applied if the ratio of selected to unsele...

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  10. What Is the third proportional to 10 and 20 ?

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  11. the ratio of the sum of the salaries of A and B to the difference of t...

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  12. If by increasing the price of a ticket in the ratio 8:11 the number of...

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  13. The ratio of ages of the father and mother was 11 : 10 when their son ...

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  14. Of the 3 numbers whose average is 22. the first is 3/8 th the sum of o...

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  16. A batsman scores 98 runs In the 17th match of his career. His average ...

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  17. What is the average of all numbers between 100 and 200 which are divis...

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  19. If a stall sells a pizza at Rs 200 he makes 20% loss if he wants to ma...

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