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

A man started to town with a fox, a goose, and a sack of corn. He came to a stream which he had to cross in a tiny boat. He could only take one across at a time. He could not leave the fox alone with the goose or the goose alone with the corn. How did he get them all safely over the stream?

Asked by Neha on 05 Mar 2022


How many letters are in the alphabet?

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Can you write down eight eights so that they add up to one thousand?

Asked by Neha on 02 Apr 2022


Find out which of the given views in the picture is accurately the top view of the given pyramid.

Which is the Top View Puzzle

Asked by Neha on 27 Jan 2026

What word does this rebus represent?

meta meta
meta meta

Asked by Neha on 11 May 2021

Find the smallest sentence with all the English alphabet.

Asked by Neha on 21 Sep 2025


See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.

Chinese Checkers Puzzle

Asked by Neha on 07 Apr 2023

What can go through glass without breaking it?

Asked by Neha on 23 Aug 2025

A man was going to bleach his socks because they had gotten muddy the day before. As he was pouring the bleach into the washing machine, he spilt some on the floor. He got some cleaning fluid and mopped it up with a rag. Minutes later he was dead. What killed him?

Asked by Neha on 09 Feb 2024


Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

Crack the Detective Code

Asked by Neha on 15 Mar 2021

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Amazing Facts

Crossword puzzles

In the 1920s, people feared that crossword puzzles would contribute to illiteracy.