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

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

Asked by Neha on 17 May 2021


Can you replace the question mark with the correct number in the below table sequence?

Complete the table Sequence

Asked by Neha on 23 Feb 2025

A man looks at a painting in a museum and says, “Brothers and sisters I have none, but that man’s father is my father’s son.” Who is in the painting?

Asked by Neha on 12 Mar 2025


Can you find out the number that should replace the question mark with a valid reason?

Replace Question Mark Riddle

Asked by Neha on 19 Apr 2026

What is full of holes but still holds water?

Full of holes riddle

Asked by Neha on 26 Apr 2021

Find out the number of circles in the given picture having Illusion

How many circles do you see?

Asked by Neha on 20 Apr 2021


There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?

Asked by Neha on 20 Sep 2023

The cream is heavier than Milk. True or False?

Asked by Neha on 18 Sep 2024

Two natural numbers have a sum of less than 100 and are greater than one.

John knows the product of the numbers and Jacob knows the sum of numbers.

The following conversation takes place between them:
John: 'I am not aware of those numbers.'
Jacob: 'I knew you wouldn't be. I am not aware myself.'
John: 'Now I know them!'
Jacob: 'Now I know them, too!'

What are the two numbers?

Asked by Neha on 07 Feb 2026


There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Asked by Neha on 13 Jun 2025

Hot Articles

Amazing Facts

Jigsaw puzzles

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