Can you find a seven digit number which describes itself. The first digit is the number of zeros in the number. The second digit is the number of ones in the number, etc. For example, in the number 21200, there are 2 zeros, 1 one, 2 twos, 0 threes and 0 fours.

What begins with T, ends with T, and has T in it?

If eleven plus two equals one, what does nine plus five equal?

You need to climb ten stairs. At every stair, you can either take one step up or you can jump two steps up.

In how many different ways you can climb 10 stairs?

What makes this number unique: 8,549,176,320?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Can it be possible to build a house that has all its four walls facing towards the South?

There is something which you can be arrested for attempting but not for successfully completing.

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?