CBSE Class 11 science: Combinations Videos | More concepts on permutation and combination
More concepts on permutation and combination
Derive the formula of combination, differentiate between arrangements and selections. Apply permutation and combination to solve different problems.
More videos from this chapter
View All- total number of three letter words formed using all the letters of the word "SHINE" is
- the number of triangle formed by joining the vertices of a hexagon
- How many 4digit even number can be formed by using digit 1,2,3,4,5,7,8,9 If repetation not allowed If repetation allowed
- How many triangles can be formed by joining any 3 of the 9 points when i) no 3 of them are collinear? ii) 5 of them are collinear?
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- I have four currency notes valued at Rs 50,100 and 2 notes of 500.In how many ways can I select the currency note ,so that only one type of note is selected each time?
- There are 15 points in a plane, no more than 2 of which are collinear. How many pentagons in all can be made using these points?
- As a part of festive decoration, Mayank go to buy decorative lights. The shopkeeper shows him a box containing 8 flashlights, all of different colors. He only need 3. How many different sets of 3 flashlights can be chosen?
- What are the total number of proper divisors for 900?
- How many triangles can be drawn through 10 points in a plane?