Time and Work Practice Test 1 with solutions

Question : 17 of 40

Marks: +1, -0

A can finish a work in 18 days and B can do the same work in half the time taken by A. Then working together the part of the same work they can finish in a day is:

$2/7$
$2/5$
$1/9$
$1/6$

Validate

Solution:

(A + B)'s 1 day's work =

1/{18}+1/9

3/{18}

1/6

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