For the following questions answer them individually
If $$\left(\frac{a}{b}\right)^{x-1} = \left(\frac{b}{a}\right)^{x-3}$$, then the value of $$x$$ is
The number among the following which leaves the remainder 3 when divided by 5, 6 and 8 is
If the numerator and the denominator of a fraction are increased by 10% and 20% respectively, the number becomes $$\frac{22}{45}$$ . What was the original number?
Whiich of the following fractions is largest?
$$\frac{5}{7},\frac{7}{11},\frac{9}{13},\frac{4}{9}$$
The descending order of the following fractions is
$$\frac{9}{10},\frac{5}{14},\frac{7}{9},\frac{6}{11},\frac{8}{13}$$