I divided a number by a decimal and got an answer of 3.6. What might my original number and decimal divisor be? Find at least 4 different combinations, including one where the original number is smaller than 3.6.

?.?6 + 2.?8 = 7.14. What might the missing digits be? Find at least 3 different valid combinations.

The perimeter of a rectangle is 3.6 metres. What might its length and width be, and what would its area be in square metres? Give at least 3 possibilities.

Three different decimals, each between 0.4 and 0.9, add up to a total of exactly 2.0. What might the three decimals be? Give at least 3 sets, including one set with digits in the thousandths place.

When writing a pattern of 5 descending decimal numbers, I started at 5.1 and finished at 1.5. What might the three numbers in-between be?