I shave every day, but my beard stays the same. What am I?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Why is the Hole below a Lock?

Can you find the hidden animal in the picture below?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

I left my campsite and hiked south for 3 miles. Then I turned east and hiked for 3 miles. I then turned north and hiked for 3 miles, at which time I came upon a bear inside my tent eating my food! What colour was the bear?

Consider all the numbers between 1 and 1 million. Among all these numbers, there is something very special about the number 8 and the number 2202. What is it?

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

What number comes next in the series?

5 15 5 18 5 24 14 20 _