SSC CGL 11 Aug 2017 Shift 1 Paper

Question : 52 of 100

Marks: +1, -0

Amit can complete a work in 25 days and Punit can complete the same work in 20 days. Punit alone worked at it for 10 days and then left the work. In how many days will Amit alone complete the remaining work ?

$11 1/2$
$12 1/2$
$13 1/2$
$14 3/2$

Validate

Solution:

Let Amit will complete the remaining work in x days.
According to the question,

x/25+10/20=1

⇒

x/25=1-1/2=1/2

∴

x=25/2=12 1/2

days

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