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#2226 2012-10-13 23:03:53

ganesh
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Re: Oral puzzles

Hi bobbym,

The solution #1615 is correct. Neat job!

#1616. A man buys eggs at 2 for $1 and an equal number at 3 for $2 and sells the whole at 5 for $3. Find is gain or loss percent.


Character is who you are when no one is looking.
 

#2227 2012-10-13 23:19:09

bobbym
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Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2228 2012-10-14 16:37:51

ganesh
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Re: Oral puzzles

Hi bobbym,



#1617. By selling 45 lemons for $40, a man loses 20%. How many should he sell for $24 to gain 20% in the transaction?


Character is who you are when no one is looking.
 

#2229 2012-10-14 20:17:31

bobbym
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Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2230 2012-10-15 17:59:20

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,



#1618. A shopkeeper offers 2.5% discount on cash prices. What cash amount would Reggie pay for a cycle, the marked price of which is $650?


Character is who you are when no one is looking.
 

#2231 2012-10-15 23:57:44

bobbym
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Re: Oral puzzles

Hi ganesh;

Thanks for the solution.


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2232 2012-10-16 01:27:25

ShivamS
Super Member

Online

Re: Oral puzzles

50 million questions for Ganesh to check!


I have discovered a truly marvellous signature, which this margin is too narrow to contain. -Fermat
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. -Archimedes
Young man, in mathematics you don't understand things. You just get used to them. - Neumann
 

#2233 2012-10-16 18:05:05

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym and Shivamcoder3013,

The solution #1618 is correct. Good work, bobbym!

The solutions #1590 to #1617 are all correct, Shivamcoder3013! Fantastic!
(It took nearly 45 minutes to check the solutions!)

#1619. Successive discounts of 10%, 12%, and 15% amount to a single discount of what percent?


Character is who you are when no one is looking.
 

#2234 2012-10-16 21:03:40

bobbym
Administrator

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Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2235 2012-10-17 08:18:34

ShivamS
Super Member

Online

Re: Oral puzzles

Haha. I like posting every 15 questions.


I have discovered a truly marvellous signature, which this margin is too narrow to contain. -Fermat
Give me a lever long enough and a fulcrum on which to place it, and I shall move the world. -Archimedes
Young man, in mathematics you don't understand things. You just get used to them. - Neumann
 

#2236 2012-10-17 17:29:33

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym and Shivamcoder3013,

bobbym : The solution #1619 is perfect. Good work!

Shivamcoder3013 : You may reply for 15 questions together, if that is convenient.

#1620. The price of a Video Cassette Recorder is marked at $12,000. If successive discounts of 15%, 10%, and 5% be allowed, then at what price does a customer buy it?


Character is who you are when no one is looking.
 

#2237 2012-10-17 20:53:28

bobbym
Administrator

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Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2238 2012-10-18 20:05:29

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1620 is perfect. Excellent!

#1621. The difference between a discount of 35% and two successive discounts of 20% on a certain bill was $22. Find the amount of the bill.


Character is who you are when no one is looking.
 

#2239 2012-10-18 21:00:18

bobbym
Administrator

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Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2240 2012-10-19 15:01:47

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1621 is correct. Neat work!

#1622. A tradesman marks his goods 30% above the cost price. If he allows a discount of 6.25%, then what is his gain percent?


Character is who you are when no one is looking.
 

#2241 2012-10-19 15:54:55

bobbym
Administrator

Offline

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2242 2012-10-20 16:57:25

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1622 is perfect. Neat job!

#1623. By selling an umbrella for $300, a shopkeeper gains 20%. During a clearance sale, the shopkeeper allows a discount of 10% on the marked price. What is gain percent during the sale?


Character is who you are when no one is looking.
 

#2243 2012-10-20 19:40:12

bobbym
Administrator

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Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2244 2012-10-25 15:47:32

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1623 is correct. Neat job!

#1624. At what price should a shopkeeper mark a radio that costs him $1200 in order that he may offer a discount of 20% on the marked price and still make a profit of 25%?


Character is who you are when no one is looking.
 

#2245 2012-10-25 15:53:19

bobbym
Administrator

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Re: Oral puzzles

Hi ganesh;

Good to see you back!


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2246 2012-10-26 14:44:39

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

Thanks!

The solution #1624 is perfect. Good work!

#1625. A tradesman gives 4% discount on the marked price and gives 1 article free for buying every 15 articles and thus gains 35%. The marked price is above the cost price by what percent?


Character is who you are when no one is looking.
 

#2247 2012-10-26 16:21:01

bobbym
Administrator

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Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2248 2012-10-27 20:15:44

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1625 is correct. Brilliant!

#1626. A trader marked his goods at 20% above the cost price. He sold half the stock at the marked price, one quarter at a discount of 20% on the marked price, and the rest at a discount of 40% on the marked price. What is his total gain percent?


Character is who you are when no one is looking.
 

#2249 2012-10-27 20:31:51

bobbym
Administrator

Offline

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.
 

#2250 2012-10-28 15:35:13

ganesh
Moderator

Offline

Re: Oral puzzles

Hi bobbym,

The solution #1626 is perfect. Excellent!

#1627. If a commission of 10% is given the written price of an article, the gain is 20%. If the commission is increased to 20%, what is the gain? (percent)


Character is who you are when no one is looking.
 

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