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Curated by: Khan Academy India - English (21 videos)
In this video, we practice finding number of ways to select from a given set of distinct objects. We first select a team of some boys and girls. We then select balls of different colors from a given set. We then form a cricket team comprising of a given number of bowlers using a given set of players. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! (https://www.khanacademy.org/math/ncert-class-11/xea4762213f311c5e:permutations-and-combinations-ncert-new/xea4762213f311c5e:untitled-908/e/combinations_1) Timestamps: 0:00 Selecting 3 boys and 3 girls from 5 boys and 4 girls 0:38 Recap of how we find ways to select 2:08 Finding number of ways to select the team 4:00 Finding number of ways to select balls of different colors 5:33 Finding number of ways to form a cricket team Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Ashish Gupta