workers decided to raise Rs.3 lacs by equal contribution from each. Had they contributed Rs.50 eachextra, the contribution would have been Rs.3.50 lacs . How many workers were they? Choose the correct answer: A) 220 B) 230 C) 500 D) 560 E) 1000

Rationale: "n * 50 = ( 350000 - 300000 ) = 50000 n = 50000 / 50 = 1000 e"
Answer: E