Question 11

Mark the true statement:
i) There are only two primes that are consecutive positive integers.
ii) For every positive primes, there is a corresponding negative prime.
iii) Sum of two primes is always even
iv) Coprime numbers are always prime numbers.

Solution

i) There are only two primes that are consecutive positive integers. -- this is true .as 2 & 3 are only two consecutive prime numbers.

But rest of the statements:

ii) For every positive primes, there is a corresponding negative prime.
iii) Sum of two primes is always even
iv) Coprime numbers are always prime numbers.

are false .

C is correct choice.

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RRB JE 1st June 2019 Shift-3

Mark the true statement:i) There are only two primes that are consecutive positive integers. ii) For every positive primes, there is a corresponding negative prime.iii) Sum of two primes is always even iv) Coprime numbers are always prime numbers.

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Mark the true statement:
i) There are only two primes that are consecutive positive integers.
ii) For every positive primes, there is a corresponding negative prime.
iii) Sum of two primes is always even
iv) Coprime numbers are always prime numbers.