75 boys can complete a work in 26 days.how many men need to complete twice the work in 20 days
Choose the correct choice from the following answers
A) 160  B) 195  C) 180  D) 190  E) 200

Rationale: "one man can complete the work in 26 * 75 = 1950 days = one time work to complete the work twice it will be completed in let m be the no . of worker assign for this therefore the eqn becomes m * 20 = 2 * 1950 m = 195 workers answer : b"
Answer: B