In what ratio must rice costing Rs. 42 per kg be mixed with rice costing Rs. 54 per kg so that the mixture costs Rs. 46 per kg?
A. 4 : 3
B. 3 : 2
C. 1 : 2
D. 2 : 1
A. 4 : 3
B. 3 : 2
C. 1 : 2
D. 2 : 1
Best answer
Answer: D. 2 : 1
Answer: (D) 2 : 1
By alligation: (54 − 46) : (46 − 42) = 8 : 4 = 2 : 1.
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