Find ' $x$ ', if $x$ , $x + 2$ , $x + 4$ are all prime numbers.

2

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3

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11

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17

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Solution

The correct option is D $3$
let us see option by option
(A):2,4,6 here 4 and 6 are not prime numbers
(B):3,5,7 here all numbers are prime
(C):11,13,15 here 15 is not a prime number
(D):17,19,21 her 21 is not a prime number

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