20 women can complete a piece of work in 7 days. If 8 more women are put on the job. In how many days will they complete the work?


A) 4.5 days

B) 5 days

C) 5.5 days

D) 4.5 days

Correct Answer:
B) 5 days

Description for Correct answer:

Given, M1 = 20

D1 =7

M2 = 20 + 8 = 28 and D2 = ?

Using formula, M1 D1 = M2D2

20 x 7 = 28 x D2

D2=\( \Large\frac{ 20 \times 7}{28} \) = 5 days

D1 =7

M2 = 20 + 8 = 28 and D2 = ?

Using formula, M1 D1 = M2D2

20 x 7 = 28 x D2

D2=\( \Large\frac{ 20 \times 7}{28} \) = 5 days


Part of solved Time and work questions and answers : >> Aptitude >> Time and work








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