Q. A bag contains red and blue balls in the ratio 7 : 5. If there are 84 balls in total, the number of blue balls is
✅ Correct Answer: (B)
35
Explanation: Total parts = 12. One part = 84 ÷ 12 = 7. Blue balls = 5 × 7 = 35.
Explanation by: Roshan
Total parts = 12. One part = 84 ÷ 12 = 7. Blue balls = 5 × 7 = 35.