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
16	17	18	19	20	21	22
23	24	25	26	27	28	29
30	31	1	2	3	4	5

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Multiple Choice Questions

A is thrice as good a workman as B and therefore able to finish a job in 48 days less than B working...........

Quantitative Aptitude (CGL) Time and work

A is thrice as good a workman as B and therefore able to finish a job in 48 days less than B working together ,they can do it in how many days together ?

13 days

15 days

18 days

12 days

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Explanation:

Solution:
A:B
Efficiency=3:1
Time=1:3
Multiplying by 24 on both the sides ,
A’s=24 days
B’s=72 days
Therefore,2 units =48 days
1 units =24 days
Total work=No. of days *Efficiency
. 72*1
. =72
One day work of A and B is 3+1=4 units
A and B will complete the work in =72/4=18days.

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