How many kilograms of rice costing 3.6 per kg should be mixed with 8 kgs of rice

Question

How many kilograms of rice costing 3.6 per kg should be mixed with 8 kgs of rice costing 4.20 per kg, such that the mixture yields a profit of

10 %

when it is sold at 4.40 per kg?

Options:

A . 5 kgs

B . 6 kgs

C . 3 kgs

D . 4 kgs

Answer: Option D
:
D
For all alligation questions, remember that we need to consider only the cost price
Given that the Selling Price = .

C o s t p r i c e \times 1.1 = S e l l i n g p r i c e

C o s t p r i c e = \frac{S e l l i n g p r i c e}{1.1} = \frac{4.4}{1.1} = 4 r s

Ratio of quantity of rice = 2:4 or 1:2. Given that the quantity of the second variety is 8 kg, the first variety should be

\frac{8}{2}

=4 kgs

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