Allied & ICAR Exam Bank • ALLIED_2500 NAT • 2 Marks

Section 8: General Aptitude

Quantitative Aptitude

Subtopic: Numerical Computation

Question Statement:

The average of 11 numbers is 50. If the average of the first 6 numbers is 49 and that of the last 6 numbers is 52, the sixth number is:

Answer Key:

56

Step-by-Step Solution & Explanation

Sum of 11 numbers = $11 \times 50 = 550$. Sum of first 6 = $6 \times 49 = 294$. Sum of last 6 = $6 \times 52 = 312$. Sixth number = $294 + 312 - 550 = 606 - 550 = 56$.
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