What has many keys but can’t open a single lock?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

In the image below, can you find the value of an angle(y)

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

Can you find a number that lies one third of the distance between 1/3 and 2/3?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

We can be boring,Or interesting.
We can be long,Or short.
We can have pictures,Or just words.
Many love us,But many also hate us.
What are we?

What is the Surname of Barbie Doll?

A famous swimmer can swim downstream in a lake in exactly 40 minutes with the lake current.
He can swim upstream in that lake in exactly 60 minutes against the lake current.
The length of the lake is 2 km.

How long he can cover the distance of one side at a still lake with no current?

Jack have ten pairs of black socks, eight pairs of white socks and seven pairs of green socks. Everything is mixed in a draw. As there is no light he were not able to identify the colour of the socks. How many of the socks did he want to take to match one pair