List of top Quantitative Aptitude Questions on Age

Which ONE of the following languages is accepted by a deterministic pushdown automaton?

Let $\Sigma = \{a, b, c\}$. For $x \in \Sigma^*$, and $\alpha \in \Sigma$, let $\#\alpha(x)$ denote the number of occurrences of $\alpha$ in $x$. Which one or more of the following option(s) define(s) regular language(s)?

Kiran's brother is 5 years older to her. Her father was 30 years old when Kiran's sister was born, while her mother was 28 years old when Kiran was born. If Kiran's sister was 2 years old when her brother was born, what was the age of their father when Kiran's brother was born?
Beena got married 8 years ago. Today, her age is \(\frac {11}{4}\) times her age at the time of marriage. If her daughter‘s age is \(\frac {1}{10}\) times her age, then her daughter‘s age is:
A child was born on 13th January 1976 which was a Tuesday. What day of the week will be the childs birth day in the year 1986?