1.

A trader mixes 14 kg rice of variety A which costs ₹ 60/kg with 18 kg of quantity of type Brice. He sells the mixture at ₹ 65/kg and earns a profits of (100)/(3)%. Then what was thecost price of type B rice.

Answer»

30
20
40
50

Solution :Let cost priceof MIXTURE = y
So, `(4)/(3)y = 65`
From mixture and ALLEGATION

`(7)/(9) = (x-48.75)/(48.75- 60) `
`341.25 - 420 = 9x - 438.75`
`360 = 9x`
`x = 40 ₹//kg`


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