$A$ clock takes $9$ seconds to strike $4$ times. In order to strike $12$ times at the same rate,the time taken is (in $seconds$)

How often are the hands of a clock at a right angle every day (in $\times$)?

The reflex angle between the hands of a clock at $10:25$ is

In the year $1996$,the Republic day was celebrated on Friday. On which day was the Independence day celebrated in the year $2000$?

Two clocks are set right at $10 \text{ am}$. One gains $20 \text{ seconds}$ and the other loses $40 \text{ seconds}$ in $24 \text{ hours}$. What will be the true time when the first clock indicates $4 \text{ pm}$ on the following day?

Suresh was born on October $4, 1999$. Shashikanth was born $6$ days before Suresh. The Independence Day of that year fell on a Sunday. On which day was Shashikanth born?