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How many such numbers can be made that are greater than 3000 but less than 5000, using the digits 3, 4 and 5?

How many such numbers can be made that are greater than 3000 but less than 5000, using the digits 3, 4 and 5?

Grade:12th pass

1 Answers

Vikas TU
14149 Points
6 years ago
Dear Student,
Consider four blanks in which no.s 3,4 and 5 will be filled
       --- --- --- ---
The first blank can be filled in 2 ways ( either 3 or 4)
The second, third and fourth blanks can be each filled in 3 ways (3,4 or 5)
Therefore no. of numbers greater than 3000 and less than 5000 containing the digits 3,4 and 5 are :
= 2x3x3x3
= 54.
Cheers!!
Regards,
Vikas (B. Tech. 4th year
Thapar University)

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