Permutations and Combinations
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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