A bag contains 8 red, 6 white and 4 black balls. A ball is drawn at random from the bag. Find the probability that the drawn ball is (i) red or white     (ii) not black   

Explanation

To solve the problem step by step, we will calculate the probability of drawing a red or white ball, and then the probability of drawing a ball that is not black.

### Step 1: Calculate the total number of balls in the bag.
- The bag contains:
- 8 red balls
- 6 white balls
- 4 black balls

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