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

Sita Gita and Rita can complete a work in 6 10 and 15 days resp Gita and Rita started the work toget...........

Quantitative Aptitude (HARCO) Time and work

Sita, Gita and Rita can complete a work in 6, 10 and 15 days resp. Gita and Rita started the work together and worked for ‘x’ days and then both left the work and the remaining work is completed by Sita in 3 days. Find the value of x.

9 days

5 days

8 days

3 days

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Explanation:

Total work (LCM of 6,10 and 15) = 30 units
Amount of work done by Sita, Gita and Rita in one day resp. = 5, 3 and 2 units
Amount of work done by Sita in 3 days = 5*3 = 15 days
Amount of work done by Gita and Rita together = 30 – 15 = 15 days
Amount of work done by Gita and Rita in one day = 3+2 = 5 days
Number of days worked by Gita and Rita together = 15/5 = 3 days

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