Sugar costing ₹14 per kg is mixed with another variety of sugar costing ₹20…
2019
Sugar costing ₹14 per kg is mixed with another variety of sugar costing ₹20 per kg. If 15 kg of the ₹20 per kg sugar is mixed and the resulting mixture costs ₹18 per kg, find the quantity of the ₹14 per kg sugar.
- A.
9.5 kg
- B.
7.5 kg
- C.
8 kg
- D.
6.5 kg
Attempted by 55 students.
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Correct answer: B
By allegation: (20 − 18) : (18 − 14) = 2 : 4 = 1 : 2 ⇒ 14₹ sugar : 20₹ sugar = 1 : 2 If 20₹ sugar = 15 kg → 14₹ sugar = 15 × 1/2 = 7.5 kg