What has a ring but no finger?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

Count the number of triangles in the given picture.

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What will you call your mother's brother's brother-in-law?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

When a clock is observed, the hour hand is at a minute mark and the minutes hand is six minutes ahead of it.

When the clock is observed again after some time, the hour hand is precisely on a different minute mark and the minute hand is seven minutes ahead of it.

Can you calculate how much time has elapsed between the two observations?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?