Hard Riddles

Hard riddles with answers are a true test of your brain power, reasoning and comprehension. You are sure to find these tough difficult riddles both challenging and puzzling. While these hard riddles and answers may drive you a little crazy sometimes, they may surprise you in the way they force you think out of the box.

The Bathtub Test

During a visit to a mental asylum, a visitor asked the director what the criteria is that defines if a patient should be admitted.

“Well,” said the director, “we fill up a bathtub. Then we offer a teaspoon, a teacup, and a bucket to the patient and ask the patient to empty the bathtub. Okay, here’s your test: Would you use the spoon, the teacup or the bucket?”

“Oh, I understand,” said the visitor. “A normal person would choose the bucket, as it is larger than the spoon.”

What was the director’s response?

Riddle Answer

Expensive Ring

Tom wants to send Sally an expensive ring through the mail because they live thousands of miles apart. The only problem is that everything sent through the mail is stolen unless there is a lock put on it. Tom has a box that is large enough to contain the ring and the box can be fitted with multiple locks. Both Tom and Sally have plenty of locks and keys but they don’t have any of the same locks or keys.

How can Tom send Sally the ring without it getting stolen?

Riddle Answer

Gold Chain Puzzle

A woman wants to buy something at an auction where you bid grams of gold instead of money. She owns a length of gold chain (with 2 ends) made of 23 interlocking loops, each weighing 1 gram.

She wants to go to a jeweler before the auction to cut the minimum number of loops that would allow her to pay any sum from 1 to 23. For example, she could pay a 13 gram price with a 12 link chain and a single link. After much thought, she figures out a way to do it by cutting just 2 of the loops in the chain.

How many loops are in the pieces of chains that she has after the 2 cuts?

Riddle Answer

The Reclusive Inventor

There was once a reclusive inventor who became so annoyed with unwanted visitors ringing his doorbell that he decided to discourage them by inventing a new one.

The device consisted of a row of six push buttons mounted on the front door, wired in such a way that only one of the buttons would ring the bell. If an incorrect button was pressed (even simultaneously with the correct one) the bell would be temporarily deactivated.

Only his close friends were told the identity of the correct button. Everyone else had to deduce it from an inscription on the front door which read ‘Exactly one button is somewhere to the left of the one, that is three to the right of the one, that is somewhere to the right of the one, that is next to the one, that is two away from the one that is first mentioned. Ring the only button of the six that is not mentioned above.’

What was the position of the correct button?

Riddle Answer

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