Question

How many 3-digit numbers greater than 600 can be formed by using the digits 1, 2,
5, 6, 8 if the digits are not repeated?
[2]​

Answer 1

I think 12 numbers can be made from these numbers greater than 600

Answer 2

Answer:

Given digits are 2,3,4,5,6 and repetition of digits is allowed.

The hundred's place can be filled by 6 in 1 way only.

Each of the ten's and unit's digits can be filled by any of the given five digits in 5 ways.

Required number of numbers =(1×5×5)=25.