Question Bank • QB_GA_125 NAT • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Ratios & Percentages

Question Statement:

Two grain varieties A and B costing $\text{Rs. } 30/\text{kg}$ and $\text{Rs. } 45/\text{kg}$ respectively are mixed together to produce a blend costing $\text{Rs. } 35/\text{kg}$. What is the ratio of the quantity of variety A to variety B in the blend?

Answer Key:

2

Step-by-Step Solution & Explanation

By the rule of alligation: $\frac{Q_A}{Q_B} = \frac{45 - 35}{35 - 30} = \frac{10}{5} = \frac{2}{1} = 2.0$
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