6 women can complete a piece of work in 15 days After 3 days from the start of the work some of...........

Quantitative Aptitude ( CCS) Time and work

6 women can complete a piece of work in 15 days . After 3 days from the start of the work , some of them left the work. If the remaining work was completed by the rest of the women in 20 days. How many women left after 3 days from the start of the work?

14/ 3 days

15/4 days

15/2 days

16/3 days

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Explanation:

Solution:
Let the number fo women left the work be x
6 women done the work in 3 days = 3/6 = ½
remaining work = 1 – ½ = ½
Now,
M1 D1/W1 = M2D2/W2
=> (6 * 15 )/1 = {(6-x)*20}/(1/2)
=> x = 15/4 days