Hourglass Time Puzzle

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

Hourglass Time Puzzle




Similar Riddles

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Asked by Neha on 07 Apr 2026


I am 5 letters long.
My first two tell you who I am
My first 3 could be a medicine
My last three reversed could be a young boy.
My 4th, 3rd and 2nd in that order could be a fruit drink.
If you have me you may hang me round your neck
WHAT AM I ?

Asked by Neha on 14 May 2021

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Asked by Neha on 11 Jan 2026


When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

Asked by Neha on 12 Oct 2025

How many Watermelons are there in the below picture?

How many Watermelons?

Asked by Neha on 13 Apr 2025

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

Asked by Neha on 25 Apr 2021


My location can be determined by the below rebus.
So where am i ?

Find my Location

Asked by Neha on 15 Aug 2021

I have no life, but I can die. What am I?

Asked by Neha on 24 Aug 2025

Do you know of a place where the wind blows south and then suddenly shifts direction towards the north?

Asked by Neha on 14 Sep 2025


Be active and find the killer in the picture Riddle below.


Who is Killer

Asked by Neha on 17 May 2021

Hot Articles

Amazing Facts

Challenging

There is a cryptic organization called Cicada 3301 that posts challenging puzzles online, possibly to recruit codebreakers and linguists.