Question

a box contains 7 red,6 white and 4 blue balls how many selections of 3 balls of each colour?
please answer Fast....​

Answer 1

3 balls of each colour can be selected in 2800 Ways  if f 3 balls of each colour is selected from a box containing 7 red,6 white and 4 blue balls

Step-by-step explanation:

A box contains 7 red,6 white and 4 blue balls how many selections of 3 balls of each colour

3 Red Balls out of 7 Red balls can be selected in ⁷C₃  ways

3 White Balls out of 6 White balls can be selected in ⁶C₃  ways

3 Blue Balls out of 4  Blue balls can be selected in ⁴C₃  ways

⁷C₃ * ⁶C₃ * ⁴C₃

= 35 * 20 * 4

= 2800

3 balls of each colour can be selected in 2800 Ways

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