A box contains 6 white balls and 5 red balls. in how many ways 4 balls can be drawn from the box if 1. They are to be any color 2. All the balls to be of same color.

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written 5.9 years ago by

teamques10 ★ 69k

modified 2.4 years ago by

yashbeer ★ 11k

A box contains 6 white balls and 5 red balls. in how many ways 4 balls can be drawn from the box if

They are to be any color
All the balls to be of same color.

engineering mathematics

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written 2.4 years ago by

yashbeer ★ 11k

Solution:

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Total balls = 6+5 = 11

Total number of balls in a box is 11.

No of balls drawn is 4.

1] 4 balls of any color = $11C_4 = \frac{11.10.9.8}{1.2.3.4} = 330$

4 balls drawn from the box of any color is 330 balls.

2] All balls to …

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