Which tank will fill first?

No matter how little or how much you use me, you change me every month. What am I?

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

The teacher told the student that if he told a lie then he will be expelled from school and if he told the truth then he still is expelled from school.

What can a student say to prevent his being expelled from school?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

What is at the end of a rainbow?

Move three sticks of the spiral below to form a square.

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?