Allied & ICAR Exam Bank • ALLIED_1867 MCQ • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

How many kg of rice at Rs 54/kg must be mixed with 30 kg of rice at Rs 40/kg so that there is a gain of 10% by selling the mixture at Rs 55/kg?

Options:

  • (A) 75 kg
  • (B) 60 kg
  • (C) 50 kg
  • (D) 45 kg

Answer Key:

A

Step-by-Step Solution & Explanation

Mean CP $= 55 / 1.10 = 50$ Rs/kg. By alligation: $(50 - 40) / (54 - 50) = 10 / 4 = 5 / 2$. Quantity $= 30 \times (5/2) = 75$ kg.
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