When Jack was six years old he hammered a nail into his favourite tree to mark his height. Ten years later at age sixteen, Jack returned to see how much higher the nail was. If the tree grew by five centimetres each year, how much higher would the nail be?

Can you find out which options fits best with the missing column?

Find the number of squares in the below-given picture.

A Car is crossing a bridge 2 miles long. The bridge can only hold 10000 lbs, which is the exact weight of the car. The Car makes it half way across the bridge and stops. A bird lands on the car. Does the bridge collapse? Explain.

With the help clues provided in the image, can you find the 5 digit key?

Buy me, smell me or deliver me, I do not change.

Who am I?

What English word has three consecutive double letters?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

Can you write down eight eights so that they add up to one thousand?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?