The greatest number which on dividing 1557 and 2037 leaves remainders 7 and 5 respectively, is:	Choose the most appropriate option
A) 123	B) 127	C) 2	D) 305	E) 505

Rationale: "explanation : required number = h . c . f . of ( 1557 - 7 ) and ( 2037 - 5 ) = h . c . f . of 1550 and 2032 = 2 . answer : c"
Answer: C