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?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

A man stands on one side of a river, his dog on the other. The man calls his dog, who immediately crosses the river without getting wet and without using a bridge or a boat. How did the dog do it?

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

What is the end of everything?

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What is the next number in this matchsticks series riddle?

In the picture given below, can you find out which digit will take place of the question mark?