All Puzzles

When Jacob is twice as old as John, Then I shall be just 17. But Jaco was 23 When John was twice as old as me.’ That is what Trump said.
So, tell us, How old he was when John was ten?View SolutionSubmit Solution 251 views
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A newspaper made of 16 large sheets of paper folded in half. The newspaper has 64 pages altogether. The first sheet contains pages 1, 2, 63, 64.
If we pick up a sheet containing page number 45. What are the other pages that this sheet contains?
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Jacob is 13 years old. His father John is 40 years old. How many years ago was Jacob’s father four times as old as Jacob ?
View SolutionSubmit Solution 287 views
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A dealer has 1000 coins and 10 bags. He has to divide the coins over the ten bags so that he can make any number of coins simply by handing over a few bags.
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371 is a number that can be expressed as the sum of cube of its digits,
i.e., 371=3^3 + 7^3 + 1^3
Can you name another such 3digit number within a minute?
View SolutionSubmit Solution 265 views
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A train leaves New York City for Alle City at 15 mph. At the very same time, a train leaves Alle City for New York City at 20 mph on the same track. At the same moment, a bird leaves the New York City train station and flies towards the Alle City train station at 25 mph. When the bird reaches the train from Alle City, it immediately reverses direction. It then continues to fly at the same speed towards the train from New York City, when it reverses its direction again, and so forth. The bird continues to do this until the trains collide. How far would the bird have travelled in the meantime ?
View SolutionSubmit Solution 246 views
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There are two Jars with 50 balls each black and white mix in colour. You have to pick a random ball from a random bowl. How do you maximise the probability of getting a black ball ?
Submit Solution 258 views
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John has three sons and his friend Jacob wants to know their ages. John gives him three hints as Jacob could not answer till the third hint :–
1. The product of their ages is 72
2. The sum of their ages is the same as my house number
3. The oldest of sons love chocolate ice creamView SolutionSubmit Solution 255 views
 2 answers
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 449 views
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