What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

In an interview, a boy was asked an unusual question 'How two persons sitting with a table in between them can't see each other?' He was unable to reply. Can you?

What's a single-digit number with no value?

Why Aeroplane windows are round?

What four weights can be used to balance from 1 to 30 pounds?

Can you spot what's wrong with the following sentence?

PETER WAS ANGRY AT
HIMSELF BECAUSE HE
ACCIDENTALLY LEFT THE
THE KEYS TO HIS CAR
AT HIS FRIEND'S HOUSE.

Do you know who was buried in John's tomb?

That attorney is my brother, testified the accountant.

But the attorney testified he didn't have a brother.

Who is lying?

John speaks the truth only once a day in a week. Below are a few hints for you:

First: Days are Sunday, Monday and so on.
Second: One day he says, "I lie on Monday and Tuesday".
Third: On the next day, he says, "Today is either Thursday, Saturday or Sunday".
Fourth: On the next day, he says, "I lie on Wednesday and Friday".

Can you identify the day on which he speaks the truth?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?