My friend was in hospital for a week after an accident.

There was a mix-up at the hospital after a fire accident in the nursery division. Which of these children belong to the parents?

My friend is as stubborn as a mule.

I and my friend was injured.

I visited my aunt just before a week.

My friend went abroad last week.

The following frequency distribution table gives the ages of 200 patients treated in a hospital in a week. Find the mode of ages of the patients.