Brain Teasers & Puzzles
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The product of three consecutive numbers when divided by each of them in turn, the sum of the three quotients will be 74.
What are the numbers?View SolutionSubmit Solution- 1,640.4K views
- 2 answers
- 0 votes
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One day when I was walking on the road in New Delhi, a group of boys approached me for donation for their poor boys’ fund. I gave them a rupee more than half the money I had in my purse. I must have walked a few more yards when a group of women approaphed me for donations for an orpbange. I gave them two rupees more than half the money I had in my purse. Then, after a few yards I was approached by a religious group for a donation to the temple they were building. .1 gave them three rupees more than half of what I had in my purse.
At last when returned to my hotel room, I found that I had only one rupee remaining in my purse.
How much money did I have in my purse when I started?View SolutionSubmit Solution- 1,640.3K views
- 1 answers
- 0 votes
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An unscrupulous trader decided to make some extra profit on Coffee. He bought one type of coffee powder at Rs. 32 a kilo and mixed some of it with a better quality of coffee powder bought at Rs. 40 a kilo, and he sold the blend at 43 a kilo. That gave him a profit of 25 per cent on the cost.
How many kilos of each kind must he use to make a blend of a hundred kilos weight?View SolutionSubmit Solution- 1,644.2K views
- 1 answers
- 0 votes
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Can you make 2 squares and 4 right angled triangles using only 8 straight lines?
View SolutionSubmit Solution- 1,640.6K views
- 1 answers
- 0 votes
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A factory manufacturing flywheels for racing cars has ten machines to make them. The manufacturer knows the correct weight for a flywheel.
However, one day one of the machines begins to pro-duce faulty parts—either overweight or underweight.
How can the manufacturer find the faulty machine in only two weighings?View SolutionSubmit Solution- 1,641.8K views
- 1 answers
- 0 votes
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