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

I want to fill my bucket using both cold and hot water.
I have two taps for both cold and hot water. The hot water tap fills the bucket in exact 6 hours and the cold water tap fills the bucket in exact 4 hours.
I turn both of them simultaneously but I forgot to turn off another tap which removes the water out of the bucket. This tap can empty the bucket in 12 hours.

How Long will it take to fill the bucket?

Asked by Neha on 30 Sep 2023


Can you solve below mathematical equation?

2^1234 - 2^1233

Asked by Neha on 26 Jan 2024

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

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Find the 8 in the below-given Image.

Asked by Neha on 24 Feb 2025

A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

Asked by Neha on 11 Jul 2023

Who is that with a neck and no head, two arms and no hands? What is it?

Asked by Neha on 27 Mar 2022


Rectify the following equality 101 - 102 = 1 by moving just one digit.

Mathematical Signs Magic

Asked by Neha on 08 Mar 2021

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Asked by Neha on 03 Nov 2025

What does it mean?

What does it mean?

Asked by Neha on 03 Mar 2025


I know a nine-letter word having only one vowel.
Do you ?

Asked by Neha on 19 Jun 2023

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In 2007, a puzzle was released and $2 million prizes were offered for the first complete solution. The competition ended at noon on 31 December 2010, with no solution being found. Wiki