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How many kilogram of rice among Rs. 18.3...

How many kilogram of rice among `Rs. 18.30` per kg must be mixed with 126 kg of rice costing `Rs. 8.55` per kg so that 20% may be gained by selling the mixture at `Rs. 14.40` per kg?
(A) 69 kg (B) 68 kg (C) 67 kg (D) 66 kg

A

55 kg

B

69 kg

C

84 kg

D

75 kg

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