Question

THE HCF OF TO NUMBERS IS 11 AND THEIR LCM IS 7700. IF ONE OF THE NUMBER IS 275,THENTHE OTHER NUMBER IS

Answer 1

This type of problem can be solved by a formula:

LCM X HCF = First No. X Second No.

Here 
LCM=7700 
HCF=11
First No.=275

7700 X 11 = 275 X Second No.
Second No.= 308