LIC AAO 12 May 2013 Paper

Question : 45 of 160

Marks: +1, -0

M and N can do a work in 10 days and 15 days respectively. If M starts on the work and both work alternately day after day, in how many days will the work be completed ?

10
12
8
9
None of these

Validate

Solution:

Work done in 1st two days
=

1/{10}+1/{15}

{3+2}/{30}

1/6

∴ Number of days =12

Go to Question:

Prev Question

Next Question