World's Hardest Riddles With Answers | Best Riddles and Brain Teasers

#781 - Logician Bar Puzzle

Three logicians went to bar for having a drink.
The bar person asks the logicians "Do they all want to have scotch?".
The first logician replied, " I dont know".
The second logician replied, " I dont know".

What is the reply of the last logician?

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"YES" if he wants a scotch, "NO" if he prefers something else.

The first says "I dont know" because he wants a scotch, but do not know if everybody wants one.
The second says "I dont know" because he wants a scotch, but do not know if the third logician wants one.(he know 1st one wants one, otherwise, he would reply as no)
The last one knows that both wants a scotch and hence can reply as his own preference.

#782 - Picture Table Sequence Riddle

Complete the table series riddle by finding the number that can replace "?".

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121
Tables consist of squares of the number from 4 to 12.

#783 - Calculate Owner Loss Riddle

Razzak walks in the daily grocery shop and steals a $100 bill from the shop. An hour later Razzak returns to the shop and buys some daily products for $40. Razzak pays the owner the $100 bill and therefore owner returns him $60.

How much money did the owner lose?

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100$ - (Profit he earned in antique watch)

#784 - Number Rebus

what does below number rebus represents?

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Safety In Numbers (as word safety is embedded with random numbers)

#785 - Short Story Mario Riddle

Mario was relaxing in his hotel room in La Galaxy. He heard a knock at the door when he saw a man in the suit whom he never met in his life. The man said "I am very sorry, I thought this was my room" and he left the room. Mario instantly called the hotel manager and ask him to arrest the person.

What made Mario suspicious of the man?

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Mario was suspicious of the man as one never knocks its own door at the hotel.

#786 - Beer Cap Rebus Riddle

what does the below beer cap say?

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One Night Stand {One + Knight(chess piece) + st + and(&)}

#787 - Funny Luis Suarez Tea

What is Luis Suarez(Soccer Player) favorite tea?

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Penalty :-)

#788 - Science 2 Balls Riddle

We have two identical balls in terms of diameter and weight. However, one of them is solid and the other is hollow.

Without knocking the ball, can you find the solid ball?

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Just release the ball at the top of an incline and the one that reaches bottom will be the solid ball. The solid ball has a smaller moment of inertia and hence less mechanical energy is spent on rotating the ball and therefore it will reach earlier.