Correct Answer - Option 4 : 4 kg
Given:
Total red marbles bought by Rohan = 7 kg
Total blue marbles bought by Rohan = 3 kg
Total black marbles bought by Rohan = 10 kg
Calculation:
Total marbles bought by Rohan = 7 kg + 3 kg + 10 kg = 20 kg
These 20 kg marbles are packed equally in 5 bags.
⇒ 1 bag contains = 20 ÷ 5 = 4 kg marbles
∴ 4 kg marbles are packed in each bag.