SSC CHSL 12 Oct 2020 Shift 1 Paper

Question : 62 of 100

Marks: +1, -0

15 men can complete a task in 10 days. In how many days can 20 men complete the same task?

Solution:

Let time taken by 20 men to complete the task is

x

day.
Now,

\M_{1}=15, \D_{1}=10

\M_{2}=20, \D_{2}=x

\M_{1} \D_{1}=\M_{2} \D_{2}

15 \×10=20 \×x

x={15 \×10}/{20}=7.5

days

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