Measure by Hourglass

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?




Similar Riddles

Move three sticks of the spiral below to form a square.

Spiral to Square Puzzle

Asked by Neha on 15 Nov 2025


Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Asked by Neha on 28 Nov 2024

What is the next number in the series?

15 29 56 108 208 ?

Asked by Neha on 27 Dec 2024


There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Asked by Neha on 01 Jan 2024

What does this rebus mean?

O
N
C
E
TIME

Asked by Neha on 22 Feb 2025

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

Asked by Neha on 04 Dec 2024


What word is represented by this rebus?

Mary Mary Rebus riddle

Asked by Neha on 29 Apr 2021

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

Asked by Neha on 02 Jan 2025

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

Asked by Neha on 12 Dec 2020


You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

Fill The Grid

Asked by Neha on 22 Sep 2025

Hot Articles

Amazing Facts

Crossword puzzles

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