Question

The number N, N+2 and N + 4 are all primes,
if:
(A) N = 2
(B) N = 3
(C) N = 5
(D) N = 7​

Answer 1

Answer:

(B)

Step-by-step explanation:

We can just check the answers by putting the values.

(A) If N = 2, N + 2 = 4 (Not prime)

Similarly, by checking all the options, the answer is (B).

Answer 2

Answer:

B

Step-by-step explanation:

If N=3

• N+2
• =3+2
• =5(prime number)
• N+4
• =3+4=7(prime number)

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