Question

A shopkeeper has three varieties of rice that cost him ₹30, ₹45, and ₹60 per kg, respectively. In what ratio can he mix the rice, so that by selling the mixture at ₹55/kg, he can make 10% profit?

1) 1:2:3
2) 2:1:4
3) 1:3:2
4) 4:2:1

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Answer 1

Answer:

4:2:1

Step-by-step explanation:

i hope the answer

Answer 2

Given:

A shopkeeper has three varieties of rice that cost him ₹30, ₹45, and ₹60 per kg, respectively. In what ratio can he mix the rice, so that by selling the mixture at ₹55/kg, he can make 10% profit?

Solution:

Apply mixture and allegation,

Know that there is a profit of 10% on selling at ₹55/kg.

Therefore on selling ₹50/kg there will ne no profit.

Refer to the image given below,

$\[\begin{array}{l} \Rightarrow {R_{30}}:{R_{45}}:{R_{60}} = 1:2:\left( {2 + 1} \right)\\ \Rightarrow {R_{30}}:{R_{45}}:{R_{60}} = 1:2:3\end{array}\]$

Hence, the correct answer is option (1) i.e. 1:2:3.