The centre of the third figure is empty. What digit should fit inside?

Can you fill the blank with the correct number?

6 30 870 756030 _____

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

What runs around the whole yard without moving?

There is a place where if I stand up straight, I will still be considered sideways.

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

Identify the hidden meaning behind this picture?