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

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Find out the number of circles in the given picture having Illusion

Complete the given grid with valid words. You can only use the letters AAEEIIMMPPTT.

Hint: The grid reads the same across as down.

Why is a river so rich ?

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?

Which of the below owl is odd one out?

Can you count the number of matches in the picture below ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you name some countries which do not have the alphabet 'A' in them?