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#2101 2012-08-21 14:49:10
#2102 2012-08-21 23:07:13
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
Good work, bobbym!
#1562. The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4 and its perimeter is 104 centimeter. What is the length of the longest side?
Character is who you are when no one is looking.
#2103 2012-08-21 23:11:13
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2104 2012-08-21 23:12:24
- anonimnystefy
- Real Member
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Re: Oral puzzles
Hi ganesh
The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“A secret's worth depends on the people from whom it must be kept.” ― Carlos Ruiz Zafón
#2105 2012-08-22 05:19:30
#2106 2012-08-22 21:53:31
- ganesh
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Re: Oral puzzles
Hi bobbym, anonimnystefy, and Denominator,
The solution #1562 is correct. Neat job!
#1563. If 10% of x = 20% of y, then x : y is equal to _________________
Character is who you are when no one is looking.
#2107 2012-08-22 21:56:20
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2108 2012-08-23 05:25:59
#2109 2012-08-23 20:53:24
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
The
Correct, bobbym! Well done!
#1564. If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is _____________
Character is who you are when no one is looking.
#2110 2012-08-23 20:59:56
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2111 2012-08-24 22:06:10
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym,
The solution #1564 is correct. Neat job!
#1565. Gold is 19 times as heavy as water and copper is 9 times as heavy was water. In what ratio should these be mixed to get an alloy 15 times as heavy as water?
Character is who you are when no one is looking.
#2112 2012-08-24 22:25:12
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2113 2012-08-25 21:43:24
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym,
The solution #1565 is correct. Smart work!
#1566. Find the mean proportional between 0.08 and 0.18.
Character is who you are when no one is looking.
#2114 2012-08-25 21:46:46
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2115 2012-08-26 06:01:56
#2116 2012-08-26 22:29:48
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1566 is correct. Neat job!
#1567. A shopkeeper sells one transistor for $840 at a gain of 20% and another for $960 at a loss of 4%. Find the total gain or loss percent.
Character is who you are when no one is looking.
#2117 2012-08-27 04:16:46
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2118 2012-08-27 17:51:19
#2119 2012-08-27 23:22:46
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
#1568. If loss is 1/3 of Selling Price, find the loss percentage.
Character is who you are when no one is looking.
#2120 2012-08-28 02:35:02
- bobbym
- Administrator
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Re: Oral puzzles
Hi ganesh;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2121 2012-08-28 05:12:46
#2122 2012-08-28 22:13:44
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
#1569. The percentage profit earned by selling an article for $1920 is equal to the percentage loss incurred by selling the same article for $1280. At what price should the article be sold to make 25% profit?
Character is who you are when no one is looking.
#2123 2012-08-28 22:28:34
- bobbym
- Administrator
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Re: Oral puzzles
Hi;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#2124 2012-08-29 15:42:31
#2125 2012-08-29 22:34:47
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1569 is perfect. Marvelous!
#1570. The difference between a number and its two-fifth is 510. What is 10% of that number?
Character is who you are when no one is looking.