#481 - Hourglasses Measure Puzzle

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Let the hourglass with 7 minutes timeframe be x and the hourglass with 11 minutes timeframe be y.
Turn x and y together.
After seven minutes, turn x.
After 11 minutes, turn x again.
Now it will take 4 minutes for x to stop.
At that moment, you would have calculated 15 minutes.

#482 - Equal Jars Water Riddle

You have 21 jars with you. Out of them, 7 are filled with water, 7 are half-full with water and 7 are empty. How will you distribute the jars among three people such that each one of them gets the equal number of jars and equal amount of water?

Give 3 full, 1 half-full and 3 empty bottles to the first person.
Give 3 full, 1 half-full and 3 empty bottles to the second person.
Give 1 full, 5 half-full and 1 empty bottle to the third person.

#483 - Fresh Egg Trick Riddle

A container contains hundred eggs. They can be either fresh or rotten. What is sure is the fact that there is at least one fresh egg in that container.

If you are asked to pick two eggs randomly from the container, at least one of them will be rotten.

Can you calculate how many eggs in that container are fresh ?

Only one egg in that container is fresh.

The question tells us that at least one egg in that container is fresh. Then the question says when two eggs are picked at random, at least one egg will be rotten. This concludes that all the other 99 eggs are rotten or there would have been possibility of picking two fresh eggs as well.

#484 - Which Person What Floor

Six people park their car in an underground parking of a store. The store has six floors in all. Each one of them goes to different floor. Simon stays in the lift for the longest. Sia gets out before Peter but after Tracy. The first one to get out is Harold. Debra leaves after Tracy who gets out at the third floor.

Can you find out who leaves the lift at which floor?

Harold leaves at the first floor.
Debra leaves at the second floor.
Tracy leaves at the third floor.
Sia leaves at the fourth floor.
Peter leaves at the fifth floor.
Simon leaves at the sixth floor.

#485 - How Possible Puzzle

Two fathers and two sons decided to go to a shop and bought some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after sometime and found out that they had 3kg of sweets with them.

They did not eat the sweets in way, nor did they threw or lost anything. Then, how can this be possible?

The people who went to shopping were son, father and grandfather. Thus, there were only three people even though they can be called as two fathers and two sons. This is why only 3kg of sweets.

#486 - Guess What Question

A man embarked on a questionnaire game. He kept asking the same question to whomever he found. The answer each time was different.

Can you guess what the question was?

The question that he asked was "What is the time?"

#487 - Missing Train Passengers Riddle

A train full of passengers goes through a tunnel. When the train comes out from the other end, there is no single person on the train.

How did it happen ?

This is because all the passengers in the train are married.

#488 - Which Coins Puzzle

Aman is having 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he was unable to given change for a rupee and five paisa.


Can you tell which coins did he have?

Aman had a 50p, a 25p and four 10p coins.

#489 - Pattern Logic Puzzle

A game of table tennis was being played. The match was a mixed double one. George and Ted were the opponents who had to choose from the following partners
Ann
Edna
Mary
Joan
Angela

George was given the chance first and he chose Mary. There was a reason why he chose her. Whom will Ted choose if he follows the same logic?

Ted will choose Ann.

Just replace the alphabets with their corresponding numbers and add them.

TED = 20 + 5 + 4 = 29
ANN = 1 + 14 + 14 = 29

In the case of George and Mary, both adds to 57 and this was the logic.

#490 - Logic Container Time Puzzle

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double it was.


In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled half?

The answer is 9 hours.


Since we know that the water becomes double in the quantity every passing hour and that it was filled completely in ten hours, we need to go back one-step. Take out one hour and divide the quantity by 2.