Top 10 Hard puzzles

IN this post i mentioned all top 10 hard puzzles you will find really hard and diffuclt to solve this riddles, this is just a tricky riddles just use your sharp mind to solve this riddles i will update answer soon.

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Hard puzzles 1: Tricky Math Problem

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem ?

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Top 10 Hard puzzles 2 : Hard Logic Chess Puzzle

Assume you have the white pieces, can you win in a half a move ? 

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Top 10 Hard puzzles 3 : Logical Playing Cards Puzzle

From a pack of 52 cards , i placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than card on the right.
Clue 2: Difference between 1st card and 3rd card is 8.
Clue 3: There is no card of ace.
Clue 4: There is no face cards (queen,king,jacks).
Clue 5: Difference between 2nd card and 4th card is 7.

Identify four cards ?

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Top 10 Hard puzzles : Money puzzle

I saw a Jeans for Rs97. I dont have enough money , so i borrowed Rs50 from my mom and 50 from my dad = Rs100. I bought the jeans, and had Rs3 change. I gave dad Rs1 and my mom Rs1 and kept the other Rs1 for myself. Now I owe my mum Rs49 and my dad Rs49. 49+49 = 98 + my Rs1 = 99.

Where is the missing Rs1?
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Top 10 Hard puzzles 5 : Logic Problem

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag.

Randomly remove two balls from the bag.
* If they are of different colors, put the blue one back in the bag.
* If they are the same color, take them out and put a red marble back in the bag.

Repeat this until only one marble remains in the bag.

What is the color of the sole marble left in the bag ?

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Top 10 Hard puzzles : Famous Logic Bag Puzzle

There are 3 bags and all are labeled incorrectly as follow:
Bag1 : Silver
Bag2 : Gold
Bag3 : Silver and Gold.

You need to label all bags correctly by opening just one bag.

How come?

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Top 10 Hard puzzles 7 : Knockout Tournament Matches Puzzle

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 15 matches are played in total, how many players participated?
(b) If 50 players took part in the tournament, how many matches were played?
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Top 10 Hard puzzles 8 : River Crossing Problem

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it? 

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Top 10 Hard puzzles 9 : 4 Doors Riddle

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: It's behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

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Top 10 Hard puzzles 10 : Situation Puzzle

3 surgeons decided to go for a camp and hired a guide for assistance. Over campfire , they met with an accident and the guide got seriously injured. The guide needs surgery(a minor one). The 3 surgeons decide to operate but they have only two medical gloves. To save the guide , all three surgeons are needed to operate on the guide, in sequence.
How can this be done without any of them being exposed to the blood of any of the others?

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