Question
Answer: Option A
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Let C.P. of 1 litre milk be Re. 1.
S.P. of 1 litre of mixture = Re.1, Gain =
50
%.
3
C.P. of 1 litre of mixture =
100 x
3
x 1
=
6
350
7
By the rule of alligation, we have:
C.P. of 1 litre of water
C.P. of 1 litre of milk
0
Mean Price
Re.
6
7
Re. 1
1
7
6
7
Ratio of water and milk =
1
:
6
= 1 : 6.
7
7
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