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

2 thoughts on “The number N, N+2 and N + 4 are all primes,<br />if:<br />(A) N = 2<br />(B) N = 3<br />(C) N = 5<br />(D) N = 7​”

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).

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2. Answer:

   B

   Step-by-step explanation:

   If N=3

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

   hope this answer help you

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