workers decided to raise Rs.3 lacs by equal contribution from each. Had they contributed Rs.50 eachextra, the contribution would have been Rs.3.15 lacs . How many workers were they? Choose the correct option:
A) 300	B) 230	C) 500	D) 560	E) 590

Rationale: "n * 50 = ( 315000 - 300000 ) = 15000 n = 15000 / 50 = 300 a"
Answer: A