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#2151 2012-09-08 09:51:10

Denominator
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Re: Oral puzzles

Hello

 

#2152 2012-09-08 21:55:46

ganesh
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Re: Oral puzzles

Hi bobbym and Denominator,

The solution #1579 is correct, bobbym! Good work!

Denominator, is solution #1579



#1580. 10% of the voters did not cast their vote in an election between two candidates. 10% of the votes polled were invalid. The successful candidate got 54% of the valid votes and won by a majority of 1620 votes. The number of voters enrolled on the voters' list was ____________.


Character is who you are when no one is looking.
 

#2153 2012-09-08 22:08:07

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.
 

#2154 2012-09-09 18:58:32

ganesh
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Re: Oral puzzles

Hi bobbym,

The solution #1580 is correct. Marvelous!

#1581. If x is 80% of y, then what percent of 2x is y?


Character is who you are when no one is looking.
 

#2155 2012-09-09 19:02:18

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.
 

#2156 2012-09-10 21:13:29

ganesh
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Re: Oral puzzles

Hi bobbym,

The solution



#1582. If A is 150 percent of B, then B is what percent of (A + B)?


Character is who you are when no one is looking.
 

#2157 2012-09-10 21:21:45

bobbym
Administrator

Online

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.
 

#2158 2012-09-11 05:35:41

Denominator
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Re: Oral puzzles

Hello

 

#2159 2012-09-11 18:54:59

ganesh
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Re: Oral puzzles

Hi bobbym and Denominator,

bobbym : The solution #1582 is correct. Excellent!

Denominator : The solution #1582



#1583. In a certain school, 20% of students are below 8 years of age. The number of students below 8 years of age is 2/3 of the number of students of 8 years age which is 48. What is the total number of students in the school?


Character is who you are when no one is looking.
 

#2160 2012-09-11 19:03:29

bobbym
Administrator

Online

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.
 

#2161 2012-09-12 22:08:19

ganesh
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Re: Oral puzzles

Hi bobbym,



#1584. What percent of 7.2 kilograms is 18 grams?


Character is who you are when no one is looking.
 

#2162 2012-09-12 22:31:01

bobbym
Administrator

Online

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.
 

#2163 2012-09-13 11:39:03

ganesh
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Re: Oral puzzles

Hi bobbym,

The solution #1584 is perfect. Neat job!

#1585. 40% of 1640 + ? = 35% of 980 + 150% of 850


Character is who you are when no one is looking.
 

#2164 2012-09-13 11:52:22

bobbym
Administrator

Online

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.
 

#2165 2012-09-14 18:45:43

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1585 is correct. Good work!

#1586. In a city, 40% of the people are illiterate and 60% are poor. Among the rich, 10% are illiterate. What percentage of the poor population is illiterate?


Character is who you are when no one is looking.
 

#2166 2012-09-14 18:55:23

bobbym
Administrator

Online

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.
 

#2167 2012-09-15 20:56:02

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1586 is correct. Brilliant!

#1587. 5/9 part of the population in a village are males. If 30% of the males are married, what is the percentage of unmarried females in the total population?


Character is who you are when no one is looking.
 

#2168 2012-09-15 22:13:02

bobbym
Administrator

Online

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.
 

#2169 2012-09-16 06:47:10

Denominator
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Re: Oral puzzles

Hello

 

#2170 2012-09-16 18:53:13

ganesh
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Re: Oral puzzles

Hi bobbym and Denominator,

The solution



Excellent, Denominator!

#1588. The salaries of A and B together amount to $2000. A spends 95%of his salary and B, 85% of his. If now, their savings are the same, what is A's salary?


Character is who you are when no one is looking.
 

#2171 2012-09-16 20:04:47

bobbym
Administrator

Online

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.
 

#2172 2012-09-17 18:22:27

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1588 is correct. Excellent!

#1589. The price of a television set is decreased by 25% as a result of which the sale increased by 20%. What would be the effect on the total revenue of the shop?


Character is who you are when no one is looking.
 

#2173 2012-09-17 18:59:06

bobbym
Administrator

Online

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.
 

#2174 2012-09-18 18:32:30

ganesh
Moderator

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Re: Oral puzzles

Hi bobbym,

The solution #1589 is correct. Neat job!

#1590. The income of a broker remains unchanged although the rate of commission is increased from 4% to 5%. What is the percentage of slump in business?


Character is who you are when no one is looking.
 

#2175 2012-09-18 21:06:56

bobbym
Administrator

Online

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.
 

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