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Vivek Mukherjee

· started a discussion

· 1 Months ago

Wrong question .. missing information.. (Question: 108193.0 )

wrong

Question:

A milkman bought 15 L of milk and mixed 3 L of water in it. If the price per kg of the mixture becomes Rs.22, what is the cost price of the milk per litre?

Options:
A) ₹28.00
B) ₹26.40
C) ₹24.00
D) ₹22.60
Solution:
Ans: (b)

Cost of 1 kg of mixture = Rs. 22
Cost of (15 + 3) kg of mixture = (18 * Rs 22) = Rs. 396
As water is free so Rs. 396 is the actual cost of 15 kg of milk 
so cost of 1 kg of milk = (396 /15) = Rs. 26.40

Knowledge Expert

· commented

· 1 Months ago

Dear Student,

Given question is correct all information is given.
another solution according to given information-
Cost of 1 kg of mixture = Rs. 22
Cost of (15 + 3) kg of mixture = Rs. 396
Rs. 396 is the actual cost of 15 kg of milk since water is free
∴ cost of 1 kg of milk = 396 ÷ 15 = Rs. 26.40

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