alleryHow much flour at Rs 8/kg must be mixed with 30 kg at Rs 14/kg to get a blend at Rs 12/kg?
A10 kg
B15 kg
C20 kg
D45 kg
Answer & Solution
Correct answer: B. 15 kg
Cheaper : dearer = (14 - 12):(12 - 8) = 1:2, so for 30 kg of dearer flour we need 15 kg.
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