The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:  Select:
A) 123
B) 127
C) 235
D) 305
E) 505

Rationale: "explanation : required number = h . c . f . of ( 1657 - 6 ) and ( 2037 - 5 ) = h . c . f . of 1651 and 2032 = 127 . answer : b"
Answer: B