Question
How many arrangements of four (zeroes), two and two are there in which the first occur before the first 2?
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Text solutionVerified
Number of zeros
Number of ones
Number of twos
Total numbers
Numerals to be arranged
Because remaining two are fixed in order
Total arrangements
Hence the correct answer is
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Question Text | How many arrangements of four (zeroes), two and two are there in which the first occur before the first 2? |
Answer Type | Text solution:1 |
Upvotes | 150 |