Multiple choice

8 women take 10 days to complete a work, working 8 hours everyday. Find the number of women required to complete the work thrice as large as this in 20 days, working 8 hours everyday?

  1. 24

  2. 16

  3. 12

  4. 10
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Using the formula (M1*D1*H1)/W1 = (M2*D2*H2)/W2, we have (8*10*8)/1 = (M2*20*8)/3. Solving for M2 gives M2 = (8*10*8*3)/(20*8) = 12.

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