Which of the following is a pair of Co - Primes ?  Choose the most appropriate option:
A) 14,35	B) 18,25	C) 31,92	D) 32,62	E) 18,43
Co Primes - two numbers are said to be co prime if their HCF is 1.   18 and 25 are co prime numbers. ANSWER : 18,25
<result>B</result>
Which of the following is a pair of Co - Primes ?