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

There are two beautiful yet remote islands in the South Pacific. The Islanders born on one island always tell the truth, and the Islanders from the other island always lie.
You are on one of the islands and meet three Islanders. You ask the first which island they are from in the most appropriate Polynesian tongue, and he indicates that the other two Islanders are from the same island. You ask the second Islander the same question, and he also indicates that the other two Islanders are from the same island.
Can you guess what the third Islander will answer to the same question?

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What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

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Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

Nine Numbers Riddle

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Find The Odd One Out

1. FLOW
2. SNIP
3. TRAP
4. DRAW
5. BACK

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What Deficiency does the below rebus represent?

VIT_MIN

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I add 5 to 9 and get 2. The answer is correct, so what am I?

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Find the last number in the series below:

voN luJ yaM raM ---

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On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

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

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Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

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Amazing Facts

Out of the Box

The phrase “thinking outside the box” was popularised from the solution to a topographical puzzle involving 9 dots in a box shape.