In how many ways can two balls of the same colour be
selected out of 4 distinct black and 3 distinct white balls
(b) 6
(d) 8
(a) 5
(c) 9
Answers
in 9 Ways two balls of the same colour can be selected out of 4 distinct black and 3 distinct white balls
Step-by-step explanation:
two balls of the same colour to be selected out of 4 distinct black and 3 distinct white balls
There are two option Either 2 Balls of White selected or 2 Balls of Black selected
2 Black Balls out of 4 distinct Black balls can be selected in ⁴C₂ = 6 Ways
2 White Balls out of 3 distinct White balls can be selected in ³C₂ = 3 Ways
Total number of ways = 6 + 3 = 9 Ways
in 9 Ways two balls of the same colour can be selected out of 4 distinct black and 3 distinct white balls
Learn more:
a box contains 7 red,6 white and 4 blue balls how many selections ...
https://brainly.in/question/13409439
find the total number of selection of at least one red ball from 4 red ...
https://brainly.in/question/13597999
a bag contains 24 balls of which the number of blue balls is thrice ...
https://brainly.in/question/9888375
A box contain 7 red‚ 6 white and 4 blue how many selections of ...
https://brainly.in/question/13368391