Sun	Mon	Tue	Wed	Thu	Fri	Sat
23	24	25	26	27	28	1
2	3	4	5	6	7	8
9	10	11	12	13	14	15
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23	24	25	26	27	28	29
30	31	1	2	3	4	5

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Multiple Choice Questions

A completes 40 of a task in 10 days and then takes the help of B and C B is 50 as efficient as A is ...........

Quantitative Aptitude (RAS) Time and work

A completes 40% of a task in 10 days and then takes the help of B and C. B is 50% as efficient as A is and C is 50% as efficient as B is. In how many more days will they complete the work?

13 1/3

8 4/7

10 2/3

Explanation:

Solution:
A completes 40% of work in 10days.
Given, A:B is 2:1 and B:C is 2:1
Now A:B:C=4:2:1
A’s work 4*10(days)=40%
Remaining 60%=60/(4+2+1)7=8 4/7 days.

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