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MATHEMATICS

JAMB 2018 - Question 8

Mathematics 2018 JAMB Past Questions - Question 8: Find the average of the first four prime numbers greater than 10

Choose the most appropriate option for the gap .

Find the average of the first four prime numbers greater than 10

A: 20

B: 19

C: 17

D: 15

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Correct Answer

Explanation

The first prime numbers greater than 10 are 11, 13,17,19x = Ex/N = 11+13+17+19 /4 = 60 /4 = 15