Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively Answers.
A) 125	B) 127	C) 129	D) 131	E) 150
Explanation:   In this type of question, its obvious we need to calculate the HCF, trick is   HCF of (1661 - 10) and (2045 -13)   = HCF (1651, 2032) = 127   Option 127
<result>B</result>
Find the greatest number which on dividing 1661 and 2045, leaves a reminder of 10 and 13 respectively