Question

Rajan writes a 3 digit number using the digits 4 7 and 9 what are the possible numbers he can write

Answer 1

The possible number he can write with digits are as follows
1 ) 479
2) 497
3) 974
4) 947
5) 749
6) 794

Answer 2

Answer:

Given that Rajan writes three digit number using 4, 7 and 9.

Maximum possible numbers he can write = 3!

= 3×2×1

6.

That's meant that there are only 6 possible ways to write three digit number using 4, 7 and 9.

He can write those 6 numbers as follows,

1. 479

2. 749

3. 794

4. 947

5. 497

6. 974