Mind Teasers : Trick Maths Train Problem

Difficulty Popularity

An express electric train takes exact three seconds to enter tunnel which is 1 mile long.

If train is traveling at 120 mile an hour, how long will it take to pass completely through the tunnel ?
category : MATHS

Suggestions

Mind Teasers : Logical Cut Brain Teaser Riddle

Difficulty Popularity

Your friends are coming over to your birthday party. Your mum has bought this delicious giant doughnut for you guys. Unfortunately she had to go somewhere. Now you have to serve all of them including you.

There are a total of nine kids including you. None of you would mind a smaller piece. Can you cut this doughnut into nine pieces in just three straight cuts?

category : LOGIC | PICTURE

Mind Teasers : Most Popular Monty Hall Brain Teaser

Difficulty Popularity

The host of a game show, offers the guest a choice of three doors. Behind one is a expensive car, but behind the other two are goats.

After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter ?

Mind Teasers : Base Ball Games Cryptarithmetic Riddle

Difficulty Popularity

Can you solve the below cryptarithmetic riddle
by replacing alphabets of words by a number so that the algebraic equation holds true?

BASE +
BALL
------
GAMES
------
category : MATHS | EQUATION

Mind Teasers : Maths Logical Problem

Difficulty Popularity

The digits 0-9(0,1,2,3,4,5,6,7,8,9) can be rearranged into 3628800 distinct 10 digits numbers.

How many of these numbers are prime ?

Mind Teasers : Logical Bank Brain Teaser

Difficulty Popularity

A bank customer had Rs.100 in his account. He then made 6 withdrawals, totaling Rs.. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
Rs.50 Rs.50
Rs.25 Rs.25
Rs.10 Rs.15
Rs.8 Rs.7
Rs.5 Rs.2
Rs.2 Rs.0
Rs.100 Rs.99


Why are the Totals not exactly right ?
category : LOGIC | MATHS

Mind Teasers : Logical Interview Problem

Difficulty Popularity

Jonathan has three boxes containing milk chocolates and dark chocolates. The problem is that all of them have been labeled incorrectly as follows.
Box1: Dark Chocolates
Box2: Milk Chocolates
Box3: Dark Chocolates and Milk Chocolates

How will he label all the boxes correctly by just opening one box?
category : LOGIC

Mind Teasers : Movie Pictogram Rebus

Difficulty Popularity

Which movie name is hidden in the pictogram rebus below?

category : REBUS | PICTURE

Mind Teasers : Move 3 MatchSticks Puzzle

Difficulty Popularity

You need to divide area in the picture below into two equal parts by using exactly three match sticks. Can you do it?

Mind Teasers : Indian Jones And The Cellular jail (Kala Pani) Treasure Riddle

Difficulty Popularity

Indian jones went to Andaman(India) for the holiday where he came to know that there is a big treasure hidden here. The Map of the treasure is hidden somewhere in the cellular jail.
The Map location is hidden in the cipher below.

"roolF mooR gnignaH ehT edisnI neddiH sI paM erusaerT"

What is the map location?


category : LOGIC | CIPHER

Mind Teasers : James Bond - Mini Mystery Story Riddle

Difficulty Popularity

James Bond was relaxing in his hotel room in Lyon when he heard a knock at his door. Bond opened the door and see a beautiful woman whom he had never seen in his life. She said that she is so sorry and she thought that this was her room. She was about to leave the room when the Bond takes out his pistol and ask the girl to stop.

What made Bond suspicious of the girl?

category : MYSTERY | STORY

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