Find the greatest number which on dividing 6215 and 7373, leaves a reminder of 23 and 29 respectively  Choose the correct choice from the following answers
A) 125  B) 127  C) 129  D) 131  E) 144
144xplanation:   In this type of question, its obvious we need to calculate the HCF, trick is   HCF of (6215 - 23) and (7373 -29)   = HCF (6192, 7344) = 144   Option 144
<result>E</result>
Find the greatest number which on dividing 6215 and 7373, leaves a reminder of 23 and 29 respectively