If the average of 16, 28, 30, x, and 34 is 30, then the value of x is:
Show answer & explanation
Correct answer: D
Explanation
Total sum = 30 × 5 = 150
Sum of known numbers = 16 + 28 + 30 + 34 = 108
x = 150 − 108 = 42
SSC Selection Post - Higher Secondary Level - 29th July 2025 - Shift 2 • Quantitative Aptitude • Q46
If the average of 16, 28, 30, x, and 34 is 30, then the value of x is:
Correct answer: D
Explanation
Total sum = 30 × 5 = 150
Sum of known numbers = 16 + 28 + 30 + 34 = 108
x = 150 − 108 = 42