Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

Can you move 2 matchsticks to form four equal sized squares.

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

What does a man do only once in his lifetime, but women do once a year after they are 29?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

our enemy challenges you to play Russian Roulette with a 6-cylinder pistol (meaning it has room for 6 bullets). He puts 2 bullets into the gun in consecutive slots, and leaves the next four slots blank. He spins the barrel and hands you the gun. You point the gun at yourself and pull the trigger. It doesn't go off. Your enemy tells you that you need to pull the trigger one more time, and that you can choose to either spin the barrel at random, or not, before pulling the trigger again. Spinning the barrel will position the barrel in a random position.

Assuming you'd like to live, should you spin the barrel or not before pulling the trigger again?

A sundial has the fewest moving parts of any timepiece. Which has the most?

On the occasion of Diwali, online seller companies in India are offering a big discount on Iphone14 as below.

: Flipkart offers a Flat 65% discount
: Amazon offers a 10% discount over and over again.
: Shopclues offers RS.45,000 off.

If the original cost of the iPhone is Rs.70,000 Which is the best offer for you?