PPSC Past Paper Junior Clerk In Punjab Police Department-2018 Solved MCQs, English MCQs, Fill in the Blanks MCQs, PPSC Solved Past Papers MCQsFill in the blanks: Salma was ill_____ fever?A. of B. to C. with D. on Maria bought a laptop at 20% discount on its original price. She sold it with 40% increase on the price she bought. Her percentage of profit on the original price is?Which poisonous gas produced when coal is burned without enough air supply?