HOW CAN THE NUMBER 4 BE HALF OF T RIDDLES WITH ANSWERS TO SOLVE - PUZZLES & BRAIN TEASERS

Mercury Did you answer this riddle correctly?
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Six Dozen Dozen Did you answer this riddle correctly?
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The number of Ostriches = 60 & The number of Zebras = 20 Did you answer this riddle correctly?
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1 hour! Take the 1st pill right away, half an hour later take the 2nd and half an hour after that the 3rd. Total time spent: 1 hour! Did you answer this riddle correctly?
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The student is double counting a lot of the days. A lot of the time spent sleeping, eating, and relaxing occurs during weekends and the summer. Weekends also occur during the summer, so all of these hours are getting counted several times.

And, school is not an all day affair. So the 4 days actually represents more days of school. If school is 6 hours per day, those four days represents 16 days of school. Did you answer this riddle correctly?
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2: At each bridge you are required to give half of your cakes, and you receive one back. Which leaves you with 2 cakes after every bridge. Did you answer this riddle correctly?
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The trawler rises with the waves so no step will go under water. Did you answer this riddle correctly?
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Take 10 number of cards in a new deck and change their face direction. For example- You create a new deck of 10 cards and out of 10, 3 faces up in the new deck. So remaining 7 faces up are in the old deck. But hey! while creating the new deck you reversed the face direction of new cards. So actually the 3 cards which were facing up are actually face down in the new deck while 7 faces up. Did you answer this riddle correctly?
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The answer is very simple. All she had to do is take the fifteen cards from the top and reverse them. This would make another pile out of that and there will be two piles - one of 15 cards and one of 37 cards. Also both of them will have the same number of inverted cards.

Just think about it and if the mathematical explanation will help you understand better, here it is.

Assume that there were p inverted cards initially in the top 15 cards. Then the remaining 37 cards will hold 15-p inverted cards.
Now when she reverses the 15 cards on the top, the number of inverted cards will become 15-p and thus the number of inverted cards in both of the piles will become same. Did you answer this riddle correctly?
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On the faces of the first dice, you can write 0, 1, 2, 3, 5 and 7
On the faces of the second dice, you can write 0, 1, 2, 4, 6 and 8.

It is simple to crack. Basically, we need 1 and 2 on both the dices to display 11 and 22. Also, we need 0 on both the dices to display dates from 01 to 09.

Now we have taken every number on either dice except. This is the tricky part. Whenever you want to use a 9, you can simply rotate the face with 6 180 degrees. Did you answer this riddle correctly?
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The largest sum is $1.19, composed ofa half dollar, quarter, four dimes, and four pennies. Did you answer this riddle correctly?
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The ice was in the jar. It melted and balance had changed that was a cause of falling. Did you answer this riddle correctly?
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The wife is a photographer.

She shot a picture of me , developed it, and hung it up to dry. Did you answer this riddle correctly?
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A deck of cards Did you answer this riddle correctly?
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The man was in a balloon with another friend. They had to increase the height, so they took off their clothes. That was not enough so they decided one has to jump off. They broke a match to determine which one has to jump. Did you answer this riddle correctly?
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