About the number of pairs which have 16 as their HCF and 121 as their LCM, the conclusion can be Choose the correct choice from the following answers
A) only one such pair exists  B) only two such pairs exist  C) many such pairs exist  D) many such pairs exist  E) such pair did not exists
Explanation:   HCF is always a factor of LCM. ie., HCF always divides LCM perfectly.   Correct Option: such pair did not exists
<result>E</result>
About the number of pairs which have 16 as their HCF and 121 as their LCM, the conclusion can be