Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

I don't get anymore wetter, no matter how much rain falls on me.

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

What 5-letter word typed in all capital letters can be read the same upside down?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

A mother bought three dress for her triplets daughters(one for each) and put the dresses in the dark. One by one the girls come and pick a dress.
What is the probability that no girl will choose her own dress?

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

Identify the next two numbers in this series.

101, 112, 131, 415, 161, 718, ???, ???