Rational numbers and repeating decimals

Given a fraction represented as a decimal, find the sum of the th digit and the th digit after the decimal point.

Find the sum of the values of natural numbers less than such that the fraction is a repeating decimal.

Let be a repeating decimal , find the value of .

can be represented as a finite decimals, and if simplified the numerator will be a multiple of . In this case, what will be the minimum value of ?

Which of the following is not a correct representation of a repeating decimal?

Find the number of values of that makes finite decimal, where . Here, is a natural number.

Find the number of fractions between and that can be represented as finite decimals but not integers, where the denominator of the fractions is .

If the fraction is expressed as a decimal, it is a finite decimal. When expressed as a reduced fraction, it becomes . Find the value of if is a natural number in the range .

The fraction can be represented as a finite decimals, which of the following can be a natural number ?

Find the th digit after the decimal point for .