Mathematical Puzzle
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Remove 6 liters of oil from a large oil container using only two mugs of 9 liter and 4 liter respectively.
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Gracie went for a morning walk and met her old friend Suzie and her daughter Jennie after a long time. Gracie asked Suzie how old is Jennie to which Jennie replied “In two years I will be twice as old as I was three years ago”. How old is Jennie?
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There is a unique number of ten digits, for which the following holds-
- all digits from 0 up to 9 occur exactly once in the number;
- the first digit is divisible by 1;
- the number formed by the first two digits is divisible by 2;
- the number formed by the first three digits is divisible by 3;
- the number formed by the first four digits is divisible by 4;
- the number formed by the first five digits is divisible by 5;
- the number formed by the first six digits is divisible by 6;
- the number formed by the first seven digits is divisible by 7;
- the number formed by the first eight digits is divisible by 8;
- the number formed by the first nine digits is divisible by 9;
- the number formed by the ten digits is divisible by 10.
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Mr. PK was all set to go to the village of WonderLand to meet his friend. So, he packed his bags and left for the village at 5 in the morning. Upon traveling on a road for miles, he came across a point where the road diverged into two. He was confused on which road to take. He gazed around and he saw two owls sitting on a branch. He thought he could ask for directions for the village from the two owls. So he went to the tree. There he saw a sign which read,
“One owl always lies, and one is always truthful. They both fly away if you ask them more than 1 question.”Mr. PK was caught in the dilemma of what to ask? And from which owl to ask, since he only had one question. What should Mr. PK ask?
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A spider is trying to build a web for itself. It doubles the work done everyday.
If the spider completely built the web in 15 days, how many days did it take for the spider to build 25% of the web ?
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You have two strings whose only known property is that when you light one end of either string it takes exactly one hour to burn. The rate at which the strings will burn is completely random and each string is different.
How do you measure 45 minutes?
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Stacy has twelve black socks and twelve white socks in her drawer.
In complete darkness, and without looking, how many socks must she take from the drawer in order to be sure to get a pair that match?
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