If the LCM and HCF of 4 and another number is 36 and 2 respectively. Find the other number ?
Choose the correct choice from the following answers:
A) 18 B) 16 C) 14 D) 13 E) 15

Rationale: hcf x lcm = product of numbers 2 x 36 = 4 x the other number other number = ( 2 x 36 ) / 4 other number = 18 answer : a
Answer: A