How many arrangements of four 0's (zeroes), two 1's and two 2's a | Filo

Class 11

Math

Algebra

Permutations and Combinations

566
150

How many arrangements of four (zeroes), two and two are there in which the first occur before the first 2?

Solution: Number of zeros
Number of ones
Number of twos
Total numbers
Numerals to be arranged
Because remaining two are fixed in order
Total arrangements