Question: rupee 5 and 10 coins are now made of?
Answer: The new Rs 5 coin will use nickel brass alloy, and its constituents will be 75 per cent copper, 20 per cent zinc and 5 per cent nickel. The new Rs 10 coin weighs 7.74 grams. It will have a diameter of 27mm and 100 serrations on its edge.