Replace the question mark

Replace the question mark with the correct number.

Replace the question mark




Similar Riddles

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

Asked by Neha on 22 Sep 2023


You need to remove two matchsticks to make the below equation true. Can you do it ?

Equation Correction Riddle

Asked by Neha on 06 Feb 2026

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Asked by Neha on 15 Sep 2025


What makes this number unique: 8,549,176,320?

Asked by Neha on 08 Jul 2025

100 prisoners are stuck in the prison in solitary cells. The warden of the prison got bored one day and offered them a challenge. He will put one prisoner per day, selected at random (a prisoner can be selected more than once), into a special room with a light bulb and a switch which controls the bulb. No other prisoners can see or control the light bulb. The prisoner in the special room can either turn on the bulb, turn off the bulb or do nothing. On any day, the prisoners can stop this process and say "Every prisoner has been in the special room at least once". If that happens to be true, all the prisoners will be set free. If it is false, then all the prisoners will be executed. The prisoners are given some time to discuss and figure out a solution. How do they ensure they all go free?

Asked by Neha on 20 Apr 2022

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

Asked by Neha on 24 Feb 2024


Usually, a boxing match consists of twelve rounds. In a particular friendly match between two heavyweights, the match was finished in the ninth round itself as one of the boxers knocked out the other one.

But, in that fight, no man threw even a single punch.

How can this be possible?

Asked by Neha on 28 Jan 2024

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Asked by Neha on 29 Jan 2021

Can you figure out the logic I used to decide the order of the following words:
gun, shoe, spree, door, hive, kicks, heaven, gate, line, den

Asked by Neha on 11 Oct 2024


Take away the whole and some still remain. What is it?

Asked by Neha on 19 Dec 2024

Hot Articles

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.