Express $$4.\overline{142}$$​ in the form $$\frac{p}{q}$$​, where p and q are integers and q≠0.

If a and b are two odd prime numbers such that a > b, then a² − b² is:

3.13113111311113… is :

​If ‘a’ is an even positive integer and ‘b’ is an odd positive integer, then the true statement is:​

Which of the following rational number lies between $$\frac{1}{4}$$​ and $$\frac{1}{2}$$​.

Express  0.$$\overline{27}$$ in the form $$\frac{p}{q}$$​ , where p and q are integers and q # 0.

Express $$3.\overline{31}$$​ in the form $$\frac{p}{q}$$​ where p and q are integers and q≠0

If $$0.0\overline{216}$$​ is written as a fraction in lowest terms, then what is the difference between the denominator and the numerator of the fraction?

Express $$0.\bar{25}$$ in the form $$\frac{p}{q}$$​, where p and q are integers and $$q \neq 0$$​.

Simplify the following.

​$$0.\overline{06} \times 8.\overline{3}$$​​

If $$0.72\overline{45} =\frac{a}{b}$$​, where the HCF of a and b is 1, then what is the value of (b-a)?