If 8 women can color 400 m long cloth in 5 days, then 10 women can color 500 m long cloth in?
Choose the correct choice from the following answers: A) 6 days B) 4 days C) 5 days D) 15 days E) 10 days

Rationale: "the length of cloth painted by one woman in one day = 400 / 8 × 5 = 10 m no . of days required to paint 500 m cloth by 10 women = 500 / 10 × 10 = 5 days answer : c"
Answer: C