2018
Mathematics
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Find the average of the first four prime numbers greater than 10
A.
20
B.
19
C.
17
D.
15
Correct Answer: 15
Explanation
Prime numbers are numbers that has only two factors (i.e 1 and itself). They are numbers that are only divisible by 1 and their selves. First four Prime numbers greater than 10 are 11, 13, 17 and 19 Average = sum of numbers / number = (11+13+17+19)4 = 60/4 = 15
Prime numbers are numbers that has only two factors (i.e 1 and itself). They are numbers that are only divisible by 1 and their selves. First four Prime numbers greater than 10 are 11, 13, 17 and 19 Average = sum of numbers / number = (11+13+17+19)4 = 60/4 = 15THIS WEEK's
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