Brain Teasers & Puzzles
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New Zealand to Tahiti. I was curious to look around the ship one day and in the boiler room I asked a man how old the ship was. He smiled and replied me in this way: ‘The ship is twice as old as its boiler was when the ship was as old as the boiler is now. And the combined age of the ship and the boiler is thirty years.’
Can you figure out what is the age of the ship and of the boiler?View SolutionSubmit Solution- 1,867.7K views
- 2 answers
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Two unemployed young men decided to start a business together. They pooled in their savings, which came to Rs 2,000. They were both lucky, their business prospered and they were able to increase (heir capital by 50 per cent every three years.
How much did they have in all at the end of eighteen years.View SolutionSubmit Solution- 1,866.1K views
- 1 answers
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A cement block balances evenly in the scales with three quarters of a pound and three quarters of a block. What is the weight of the whole block.
View SolutionSubmit Solution- 1,866.7K views
- 1 answers
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Some months back, this year, I was walking through the Central Park in New York.
I saw an intelligent looking little boy playing all by himself on the grass. I decided to talk to him and just as an excuse to start the conversation I asked him his age. A mischivious glint flickered in his eyes and he replied, ‘Two days back I was ten years old, and next year I shall be thirteen. If you know what’s today you’ll be able to figure out my birthday and that’ll give you my age.’ I looked at him bewildered. How old was the boy?View SolutionSubmit Solution- 1,866.7K views
- 1 answers
- 1 votes
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I bought a sari and a blouse for Rs. 110 at the New *Market. The sari cost Rs. 100 more than the blouse, how much does the sari cost?
View SolutionSubmit Solution- 1,865.7K views
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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- 1,866.8K views
- 2 answers
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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- 1,866.7K 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- 1,870.8K 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- 1,866.9K views
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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- 1,868.3K views
- 1 answers
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