Answer / guest

1/24-1/40
(5-3)/120
2/120
1/60
60 minutes

Answer / guest

60 minutes

Answer / 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.

Answer / ranjan

60 minutes is the correct answer:See Answer #3 for
explanation

Answer / swetha iyer

1/40-1/24=1/x

reciprocal of 1/x gives you the answer.


This problem is based on Time and Work.

Answer / palam

x be person no. 1
y " " " 2
so,
x+y=24
x=40
40(x+y)=24x
40x+40y=24x
40x-24x=-40y

v get it as 40 min

Answer / raj

its 8 minutes

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