1- How many combinations of two digit numbersaving & can be made from

1.	1- How many combinations of two digit numbersaving & can be made from the follewingnumbers?10
Answer» One position will be filled with 8 and other will be filled with one of the five other numbers. There are 5 such combinations with numbers starting with 8, i.e. 85, 82, and so on. There 5 such combinations with 8 in the units place i.e. 58, 28, and so on. Since there is not mention of repetition not allowed, we will assume it is allowed. Hence, 88 is also an option.Total numbers possible are 5+5+1 = 11 Like my answer if you find it useful!

1- How many combinations of two digit numbersaving & can be made from the follewingnumbers?10

Answer»

One position will be filled with 8 and other will be filled with one of the five other numbers.

There are 5 such combinations with numbers starting with 8, i.e. 85, 82, and so on.

There 5 such combinations with 8 in the units place i.e. 58, 28, and so on.

Since there is not mention of repetition not allowed, we will assume it is allowed.

Hence, 88 is also an option.Total numbers possible are 5+5+1 = 11

Like my answer if you find it useful!