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Maths Puzzle
A alone can do a work in 12 days. A and B together finished work and got rs.54 and rs.18 respectively. In how many days was the work finished?
a) 12
b) 14
c) 9
d) 10
e) 8
Read Solution (Total 2)
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- c)9 days
A alone can do work in 12 days.
Together with B, he finished work and got Rs.54 and B got Rs.18.
Without B means, A will got
---> 54 + 18 = 72Rs in 12 days
(i.e., 72/12 = 6Rs per day).
With B, A received = 54Rs.
-->That means, 54/6 = 9days.
So, in 9 days work has been finished together. - 12 years agoHelpfull: Yes(3) No(1)
- c)9 days
A alone can do work in 12 days.
Together with B, he finished work and got Rs.54 and B got Rs.18.
Without B means, A will got
---> 54 + 18 = 72Rs in 12 days
(i.e., 72/12 = 6Rs per day).
With B, A received = 54Rs.
-->That means, 54/6 = 9days.
So, in 9 days work has been finished together.
- 12 years agoHelpfull: Yes(2) No(1)
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