John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

Spot the cat in the picture below

What has hands, but can’t clap?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

At my favorite fruit stand,
an orange costs 18,
a pineapple costs 27,
and a grape costs 15.
Using the same logic, can you tell how much a mango costs?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Identify the 10 differences between the two given pictures.

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?