A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

The more of this there is, the less you see. What is it?

What word begins and ends with an E, but has only one letter?

How can you tell a raw egg from a hard-boiled egg?

In a competitive exam, each correct answer could win you 10 points and each wrong answer could lose you 5 points. You sat in the exam and answered all the 20 questions, which were given in the exam.
When you checked the result, you scored 125 marks on the test.

Can you calculate how many answers given by you were wrong?

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

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

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