Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?

When can we add 2 to 11 and get 1 as the correct answer?

You order chicken wings at KFC in the boxes of 6, 9 and 20. What is the largest number of wings that you cannot obtain by buying in any combination of the boxes?

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?

Identify the 10 differences between the two given pictures.

John: "Hi Teacher, What is your favourite movie ?".
Chemistry Teacher: "Indium Cerium Platinum Iodine Oxygen Nitrogen".
Ten seconds later... John replied I got it.

Do you?

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

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

Can you tell a 3D object that has just two surfaces?