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Anuj Gahlyan

· started a discussion

· 1 Months ago

best question (Question: 108519.0 )

yee

Question:

How much water should be mixed in 69 kg milk of Rs.14 per kg such that on selling it at Rs.13.80 per kg, 20% profit may be earned? 

Options:
A) 15 kg.
B) 25 kg.
C) 18 kg.
D) 2 kg.
Solution:
Ans: (a)

S.P. of mixture = 13.8

Profit = 20% 

\(\therefore\) Cost price =\(13.8\times\cfrac{100}{120}=11.50\)

By the rule of alligation:


Quantity of milk : Quantity of water = 11.5 : 2.5 = 23:5

Let quantity of water mixed be x kg, then


Aliter


pooja

· commented

· 1 Months ago

Yet to be approved!

Knowledge Expert

· commented

· 1 Months ago

did u get it??
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