All Puzzles
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Can you find a five digit number that, if you place a 1 at the beginning to make a new number, is three times larger than if you place the 1 at the end instead?
View SolutionSubmit Solution- 1,348.8K views
- 1 answers
- -1 votes
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Last weekend I was given my pocket money, which is meant to last me all week.
On Monday, I spent a quarter of my money on clothes.
On Tuesday, I spent one third of my remaining money on a CD.
On Wednesday I spent half of my remaining money on sweets.
Finally on Thursday I spent my last £2.50 on a comic.
How much pocket money did I receive?
View SolutionSubmit Solution- 1,357.8K views
- 1 answers
- 0 votes
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Train A, traveling 70 miles per hour (mph), leaves Mexico city heading toward Atlixco city, 260 miles away.
At the same time,
Train B, traveling 60 mph, leaves Atlixco city heading toward Mexico city.When do the two trains meet? How far from each city do they meet?
View SolutionSubmit Solution- 1,365.3K views
- 1 answers
- 0 votes
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What if somebody offered to bet that at least two people in your Social group had the same birthday?
Would you take the bet?
How large must a social group be to make the probability of finding two people with the same birthday at least 50%?
View SolutionSubmit Solution- 1,365.1K views
- 1 answers
- 0 votes
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Three teachers were discussing how long they had been teaching.
- Adrian and Betty had been teaching for a total of 36 years.
- Charles and Betty had been teaching for a total of 22 years.
- Charles and Adrian had been teaching for a total of 28 years.
How long had each been teaching?
View SolutionSubmit Solution- 1,365.3K views
- 1 answers
- 0 votes
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Can you find a number based on the following information?
A) Its a 4 digit number.
B) Its first digit is of no use.
C) Its third and fourth digit is the mirror image of each other.
D) The second digit is half the third.
View SolutionSubmit Solution- 1,367.4K views
- 2 answers
- 0 votes
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At the local Puzzlefry Internet dispatch center, the packing department was getting ready for the weekend.
However, it was late in the day and the final five packages were ready to be labelled.
Unfortunately, John dropped the labels to the packages and then had no idea which label belonged to which packet.
What is the probability that John managed to correctly label exactly four of the five packages?
View SolutionSubmit Solution- 1,383.8K views
- 2 answers
- 0 votes
