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Que: If x and y are different prime numbers greater than 30 but less than 40, what is the value of x + y?

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Que: If x and y are different prime numbers greater than 30 but less than 40, what is the value of x + y?

by Max@Math Revolution » Mon Mar 15, 2021 9:03 pm

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Que: If x and y are different prime numbers greater than 30 but less than 40, what is the value of x + y?

A. 31
B. 37
C. 45
D. 52
E. 68
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Re: Que: If x and y are different prime numbers greater than 30 but less than 40, what is the value of x + y?

by Max@Math Revolution » Thu Mar 18, 2021 9:11 pm
Solution: Prime number: An integer that has two positive factors = only 1 and itself => ex) 2, 3, 5, 7…

We have to find the value of x + y

If x and y are different prime numbers greater than 30 but less than 40

Prime numbers between 30 and 40: 31 and 37 => ∴ x + y = 31 + 37 = 68

Therefore, E is the correct answer.

Answer E
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