I am white when I am dirty, and black when I am clean. What am I?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

If your uncle’s sister is not your aunt, what relation is she to you?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

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?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

When it's bad luck to meet a black cat?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.