A work is done by two people in 24 minutes. One of them
alone can do it in 40 minutes. How much time will the other
person wiil take to complete it

Answer Posted / prasun bose

this type of sums needs what part is done in 1 min.
two people done 1/24th part in 1 min
one people done 1/40th part in 1 min
diferrnce the other people done 1/24-1/40 =(5-3)/120=2/120
=1/60
other man done 1/60th part in 1 min.
there fore other man will take 60 min to compleate.

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