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

P can finish a work in 27 days Q in 9 days and C in 12 days Q amp R start the work but are forced to...........

Math and Mental Ability Time and work

P can finish a work in 27 days, Q in 9 days and C in 12 days. Q & R start the work but are forced to leave after 4 days. The remaining work done by P in:

6 days

9 days

10 days

12 days

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Explanation:

(Q+R)’s one day’s work = 1/9+1/12 = 7/36
Q & R in 3 days = 4*7/36 = 7/9
Remaining work = 1-(7/9) = 2/9
1/27 work is done by A in 1 day.
2/9 work is done by A in 27*2/9 = 6 days

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