A building contractor employs 20 male, 15 female and 5 child workers. To a male worker he pays Rs.25 per day, to a female worker Rs.20 per day and a child worker Rs.8 per day. The average wage per day paid by the contractor is? Choose the correct choice from the following: A) 19 B) 21 C) 23 D) 25 E) 27

Rationale: explanation : 20 15 5 25 20 8 500 + 300 + 40 = 840 / 40 = 21 b
Answer: B