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In what ratio must rice at Rs. 8.60 per ...

In what ratio must rice at `Rs. 8.60` per kg be mixed with rice at `Rs. 11.40` per kg, so that the mixture be worth `Rs. 10.20` per kg.

A

(A) `3 : 4`

B

(B) `4 : 3`

C

(C) `2 : 4`

D

(D) `4 : 2`

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