Question

No of 3 digit passwords
that can be formed
using different digits from
1, 2, 3, 4, 5, so that
the digits are in increasing
order from left to right

Answer 1

Answer:

10 combinations

Step-by-step explanation:

You have 3+2+1 =6 combinations with password starting with 1

You have 2+1 =3 combinations when starting with 2

You have 1 combination when starting with 3

Hence total number of combinations is 6+3+1=10

Hope this answer helped you