If six children and two dogs were under an umbrella, how come none of them got wet?

The more of this there is, the less you see. What is it?

If an electric train is travelling south, then which way is the smoke going?

Two guards were on duty outside a barracks. One faced up the road to watch for anyone approaching from the North. The other looked down the road to see if anyone approached from the South. Suddenly one of them said to the other, "Why are you smiling?"

How did he know his companion was smiling?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Count the number of triangles in the below picture?

Can you guess the name of the month by looking the below rebus ?

You need to arrange three 7 and mathematical symbols to form number 1?

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

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