If x, x+2 and x+4 are prime numbers, then find the number of possible solutions for x.

Options
- 1
- 2
- 3
- 4

CORRECT ANSWER : 1

Discussion Board
correct answer is 1

1 is not a prime number so 1,3,5 cannot be taken into consideration. Thus the number of possible solutions for x is 1 i.e. 3,5,7

Debanshi Guha 07-19-2019 06:38 PM

answer is 2

take number as 1
1, 3, 5 will be answer and they is prime number
take number as 3
3, 5, 7 will be the answer and they is also prime numbers. So the number of possible ways are 2

Nikhil 07-3-2018 05:58 AM

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