Missing Data Mean

Three integers have a mean of 8, a median of 8 and a range of 10.

Find the three integers.

The mean of 5 items is 6.

4 of these items are:

3       10       3       4

Find the value of the 5 item.

Three integers have a mean of 11, a median of 15 and a range of 12.

Find the three integers.

The mean of 4 items is 9.

3 of these items are:

11       5       7

Find the value of the 4 item.

Three integers have a mean of 10, a median of 11 and a range of 3.

Find the three integers.

The mean of 5 items is 9.

4 of these items are:

10       5       10       7

Find the value of the 5 item.

Four integers have a mean of 9, a median of 7, a mode of 7 and a range of 8.

Find the four integers.

Four numbers have a median of 5, a mode of 2 and a mean of 6, what could they be?