Topics
Permutations and Combinations
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India
Class XI

Pascal's triangle

Lesson
Practice

Interactive practice questions

The 4th row of Pascal’s triangle consists of the numbers $1,4,6,4,1$1,4,6,4,1. Write down the numbers in the 5th row of Pascal’s triangle in the correct order.

Easy
< 1min

Find the sum of the entries in the $5$5th row of Pascal’s triangle.

Easy
< 1min

You are given some of the entries in a particular row of Pascal’s triangle. Fill in the missing entries.

Easy
< 1min

The $5$5th row of Pascal’s triangle consists of the numbers $1,5,10,10,5,1$1,5,10,10,5,1. Write down the numbers in the $7$7th row of Pascal’s triangle in the correct order.

Easy
1min
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Outcomes

11.A.PC.1

Fundamental principle of counting. Factorial n. Permutations and combinations, derivation of formulae and their connections, simple applications.

11.A.BT.1

Statement and proof of the binomial theorem for positive integral indices. Pascal’s triangle, general and middle term in binomial expansion, simple applications.

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