Paper 1 · Mathematical Reasoning and Aptitude
UGC NET December 2021 June 2022 (20.09.2022) Shift-II
What is the average of all the prime numbers between 30 and 50?
A38.8
B37.8
C39.8 ✓ Correct
D39.5
Correct answer: (C) 39.8 — The answer is 39.8.
Explanation
★The answer is 39.8.
★The prime numbers between 30 and 50 are 31, 37, 41, 43 and 47.
★There are five such primes.
★Their sum is 199.
★The average is 199 divided by 5.
★That equals 39.8.
★So the answer is 39.8.
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