The 15 **Minutes** Recipe

A recipe requires 15 **minutes** to cook. You have a 7 **minutes** hourglass and an 11 **minutes** hourglass with you. How will you measure 15 **minutes** using them?

There is a **5** gallon and a 3 gallon bottle. You also have a hose with unlimited water. How are you gonna make the **5** gallon have 4 gallons using your items?
(You don't know the exact dimensions of a gallon)

Once in a **Minute** BUT Never in a Thousand Years

What comes once in a **minute**, twice in a moment, but never in a thousand years?

Crossing the Bridge

Four people need to cross a bridge in 17 **minutes** in the middle of the night. The bridge can only hold two or less people at any time and they only have one flashlight so they must travel together (or alone). The flashlight can only travel with a person so every time it crosses the bridge it must be carried back. Tom can cross in 1 **minute**, John can cross in 2 **minutes**, Sally can cross in **5** **minutes**, and Connor can cross in 10 **minutes**. If two people cross together they go as fast as the slower person.How can they cross the bridge in 17 **minutes** or less?

The Hourglasses

If you have an 11 **minute** and 13 **minute** hourglass, how can you accurately time 15 **minutes**?

Google Riddles - The Sand Clocks

You have a 4 **minute** sand clock and a 7 **minute** sand clock, you need to measure 9 **minutes** while using both of them. What's your first move?
(The 'Google Riddles' are interview questions those who wish to get hired were asked).

Light as a Feather

I'm light as a feather, yet the **strongest** man can't hold me for more than a few **minutes**.
What Am I?

The Shooting Wife

A wife decides to shoot her husband. She does so, then holds him underwater for more than **5** **minutes**. Finally she hangs him. 10 **minutes** later they both go out to lunch. How is this possible?

A True Equation

Use the numbers 2, 3, 4 and **5** and the symbols + and = to make a true equation.
Conditions: Each must be used exactly once and no other numbers or symbols can be used.

The Angle of the Clock

What's the angle between **minute** hand and hour hand at a quarter past three?

The One-Sided Toaster

Susan uses a toaster that has 2 slots. The toaster toasts one side of each piece of bread at a time, and it takes exactly 1 **minute** to do so.
If Susan wants to make three pieces of toast, what is the LEAST amount of time she needs to toast them on both sides?

The Handshakers

If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?

Plus vs. Times

Given two 2s, "plus" can be changed to "times" without changing the results: 2 + 2= 2 x 2.
The solution with three numbers is easy too: 1 + 2 + 3= 1 x 2 x 3.
Now find the answer for 4 numbers and for **5** numbers.

An Egg to a Friend

Mike has some chickens that have been laying him plenty of eggs. He wants to give away his eggs to several of his friends, but he wants to give them all the same number of eggs. He figures out that he needs to give 7 of his friends eggs for them to get the same amount, otherwise there is 1 extra egg left.
What is the least number of eggs he needs for this to be true?

The Wedding Shower Present

Janie's friends were chipping in to buy her a wedding shower present. At first, 10 friends chipped in, but 2 of them dropped out. Each of the 8 had to chip in another dollar to bring the amount back up. How much money did they plan to collect?

Two For the Company and Three for the Crowd

Taking Down 1000

What is the value of 1/2 of 2/3 of 3/4 of 4/**5** of **5**/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

What's the Next Number?

Subtracting from 25

Wife Shoots Husband

A woman shoots her husband, then holds him under water for five **minutes**.
A little while later, they both go out for dinner and enjoy it very much.
How can this be?

The Bubble Boy

If a boy blows 18 bubbles, then pops 6 eats 7 and then he pops **5** and blows 1.
How many are left?

The Four Jugs Riddle

In a recreational activity, you are given four different jars of 2 liters, 4 liters, 6 liters and 8 liters respectively with an unlimited water supply. Then you are asked to measure exactly **5** liters of water using them.
How will you do it?

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