By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you find out what is missing?

1 3 5
2 4 ?

Hint: It's not six. Think out of the box.

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

In a boat, the father of a sailor's son is sitting with the son of the sailor. However, the sailor is not present on the boat.

Can this even be possible?

what does the below rebus means?

Make a sentence consisting of three words that have the whole alphabet.

An octopus has 8 legs. A hippogriff has 6 legs and 2 pairs of wings. A sphinx has 6 legs and one pair of wings. Now we have all 3 kinds and a total of 18 insects in a cage. We have a total of 118 legs and 20 pairs of wings. How many insects do we have of each kind?

Speaking of rivers, a man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?

Three ants are going up a hill, one behind the other. The last ant then says to the other ants, 'There is an ant behind me!'' How come?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?