- A20
- B15
- C12
- D18
Step-by-Step Solution
By alligation, cheaper : dearer = (18 - 16) : (16 - 12) = 1 : 2; dearer = 30 kg, so cheaper = 15 kg.
Answer: B) 15
How many kg of sugar costing ₹12 per kg must be mixed with 30 kg of sugar costing ₹18 per kg so that the mixture is worth ₹16 per kg?
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