One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Prove that twice of ten is the same as twice of eleven.

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

What common phrase is represented by the below lines

Easy going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Medium going:
Weak, 'I'm going.'
Tough, 'I'm staying.'

Tough going:
Weak, 'I can't do it, I'm staying!'
Tough, 'Let's get going.'

There are 2 cops parked along a one-way street looking for traffic violations. They spot a taxi driver going in the wrong direction, yet they do nothing.

Why?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?