You are given four results as below:
1111 = F
2222 = E
3333 = T
Then, can you find out how to code 4444?

I cannot talk, but I always reply when spoken to. What am I?

Teacher ask the student

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

what did student replied ?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

John is found dead in a bare field. Nobody killed John,
John did not commit suicide.

Inspector Jacob found a bag just a few meters away from John which could save his life. What was in the bag?

A girl says this to her best friend: “I was born in 1955, and I celebrated my 17th birthday last weekend.” Her best friend thinks she’s lying, but she’s actually correct. How is that possible?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?