Green coal in order to be burnt must be A) Heated sufficiently B) Burnt in excess air C) Heated to its ignition point D) Burnt as powder Related MCQs: Aslia has three types of balls red green and blue. If their ratio is 2:3:5 what percent of balls are green? Ganga Plane was burnt by a Kashmiri Mujahid at the Airport of: A man has Rs 10,000 to invest. He invests Rs 4,000 at 5% and Rs 3,500 at 4%. In order to have a yearly income of Rs 500, he must invest the remaining Rs 2,500 at what rate of investment? In order to tell Excel that we are entering a formula in cell, we must begin with an operator such as: