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#2076 2012-08-12 22:11:32
- ganesh
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Re: Oral puzzles
Hi bobbym,
The solution #1552 is correct. Excellent!
#1553. Two right circular cylinders of equal volumes have their heights in the ratio 1:2. What is the ratio of their radii?
Character is who you are when no one is looking.
#2077 2012-08-13 03:52:49
- bobbym
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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.
#2078 2012-08-13 17:20:06
#2079 2012-08-13 21:54:26
- ganesh
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1553 is perfect. Brilliant!
#1554. A well with 14 meters inside diameter is dug 10 meters deep. Earth taken out of it has been evenly spread all around it to a width of 21 meters to form an embankment. What is the height of the embankment? (Use pi = 22/7)
Character is who you are when no one is looking.
#2080 2012-08-14 00:56:10
- bobbym
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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.
#2081 2012-08-14 00:56:26
- 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.
#2082 2012-08-14 21:59:22
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym,
The .
#1555. If (a + b) : (b + c) : (c + a) = 6:7:8 and (a + b + c) = 14, then find the value of 'c'.
Character is who you are when no one is looking.
#2083 2012-08-15 01:50:20
- 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.
#2084 2012-08-15 20:12:28
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym,
The solution #1555 is correct. Neat job!
#1556. $1210 is divided among A, B, and C so that A : B = 5 : 4 and B : C = 9 : 10. Then, how much does C gets?
Character is who you are when no one is looking.
#2085 2012-08-15 22:10:26
- 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.
#2086 2012-08-16 05:27:28
#2087 2012-08-16 20:46:11
- ganesh
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1556 is perfect. Good work!
#1557. The salaries of Roger and Steve are in the ratio 2 : 3. If the salary of each is increased by $4000, the new ratio becomes 40 : 57. What is Steve's present salary?
Character is who you are when no one is looking.
#2088 2012-08-16 20:51:54
- 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.
#2089 2012-08-17 19:32:48
#2090 2012-08-17 23:10:52
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1557 is correct. Good work!
#1558. The third proportional to 0.36 and 0.48 is ____________
Character is who you are when no one is looking.
#2091 2012-08-18 03:09:51
- 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.
#2092 2012-08-18 21:57:06
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym,
The
#1559. In a ratio, which is equal to 3 : 4, if the antecedent is 12, then the consequent is ______________
Character is who you are when no one is looking.
#2093 2012-08-19 05:04:04
- 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.
#2094 2012-08-19 13:21:39
#2095 2012-08-19 23:13:28
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1559 is correct. Neat work!
#1560. If 2A = 3B = 4C, then A : B : C is ______________
Character is who you are when no one is looking.
#2096 2012-08-19 23:15:41
- 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.
#2097 2012-08-20 00:42:58
#2098 2012-08-20 17:00:30
#2099 2012-08-20 23:09:51
- ganesh
- Moderator
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Re: Oral puzzles
Hi bobbym and Denominator,
The solution #1560
Good work, Denominator!
#1561. The average age of three boys is 25 years and their ages are in the proportion 3 : 5 : 7. Find the age of the youngest boy.
Character is who you are when no one is looking.
#2100 2012-08-21 05:54:22
- 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.