How many numbers are there between 100and 1000 such that every digit is 2 or 9?
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Answered by
0
The numbers between 100 and 1000 are clearly the three digit number.
All the three digits can be filled by 2 ways.
=> 2*2*2 = 8 ways
All the three digits can be filled by 2 ways.
=> 2*2*2 = 8 ways
Answered by
1
27+27 there are 54 digit in between 100 and 1000 such that every digit is 2 or 9
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