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

A man has a barrel filled with oil that weighs 100 pounds, and then he puts something into it. Now the barrel weighs less than 100 pounds. What did he put in the barrel?

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

On 26-01-2022, Juli was murdered at her house in a city in India in the afternoon. There were three suspects in the murder and the following are the statements that were given by them:

John: I visited my village that day.
Jacob: I was out to deposit my house tax in the municipality office at that time.
Jonny: I was at a friend's place having lunch at that time.

Can you find out who is the murderer?

How is a fly different from a mosquito?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

Count the Triangle in the figure given below:

How many times can you subtract the number 5 from 25?

By what process could you make a 'Tea-Table' into food?

A very interesting trivia question for all.

Why do men's shirts have their buttons on the right side and women's have buttons on the left-hand side?