Question

A bag has 3 orange, 4 yellow and 7 purple balls. The probability of drawing an orange or a purple ball, is
1. 3/7
2. 4/5
3. 5/6
4. 5/7
5. None of the above

Answer 1

Correct Answer - Option 4 : 5/7

Given:

Orange balls = 3

Yellow balls = 4

Purple balls = 7

Total balls = 14

Calculation:

Total number of balls is 14

⇒ Required Probability

⇒ (3 + 7)/14

⇒ 10/14

∴ required probability is 5/7