IAS Interview Question

If it took eight men ten hours to build a wall, how long would it take four men to build it?




Similar Riddles

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Magical Wheels

Asked by Neha on 22 Sep 2024


'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

Asked by Neha on 28 Apr 2025

There is a movie name hidden in the picture that is attached with this question. Can you find out which movie is it?

Movie in Rabus

Asked by Neha on 14 May 2021


I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Asked by Neha on 25 Jul 2025

Can you fill the blank with the correct number?

6 30 870 756030 _____

Asked by Neha on 20 Feb 2023

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen?

Asked by Neha on 26 Dec 2025


There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

Asked by Neha on 28 Sep 2021

What has hands, but can’t clap?

Asked by Neha on 21 Feb 2022

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

Matchsticks Rectangles

Asked by Neha on 25 Jul 2024


If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Asked by Neha on 16 Aug 2024

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Amazing Facts

Jigsaw puzzles

Jigsaw puzzles soared in popularity during the great depression, as they provided a cheap, long-lasting, recyclable form of entertainment.