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Replace the question mark with the number below given a simple math problem.

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Similar Logic Riddles

During an experiment, a guy throws a bouncy ball from a 100 feet tall building. The ball has a specific characteristic. Every time it hits the ground, it bounces up halfway.

How many bounces do you think the ball will make before it comes to a stop ?

Asked by Neha on 24 Nov 2023


Find the next number in the sequence

1, 2, 6, 21, 88, __?

Asked by Neha on 14 Mar 2024

Edward James went for tiger hunting.

It was not his lucky day.



He got six tigers without heads, nine tigers without the tail and eight cut in two halves.

How many tiger did he hunted ?

Asked by Neha on 22 Apr 2021


Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?

Asked by Neha on 09 Apr 2023

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

Asked by Neha on 29 Mar 2023

Considering the below equation:

V + II - VI = 10
IV - X + VIII = 20
IV - VII + VI = 30

Then, I + II + III = ?

Asked by Neha on 15 Nov 2024


The centre of the third figure is empty. What digit should fit inside?

Missing Digit Riddle

Asked by Neha on 24 Jan 2024

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Asked by Neha on 30 Mar 2023

At the local model boat club, four friends were talking about their boats.

There were a total of eight boats, two in each colour, red, green, blue and yellow. Each friend owned two boats. No friend had two boats of the same colour.

Alan didn't have a yellow boat. Brian didn't have a red boat but did have a green one. One of the friends had a yellow boat and a blue boat and another friend had a green boat and a blue boat. Charles had a yellow boat. Darren had a blue boat, but didn't have a green one.

Can you work out which friend had which coloured boats?

Asked by Neha on 15 Jan 2024


Using eight eights and addition only, can you make 1000?

Asked by Neha on 17 Feb 2024

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.