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## #4026 2012-07-18 22:11:49

bobbym

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### Re: 10 second questions

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.

## #4027 2012-07-19 21:56:31

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solution #4201 is correct. Excellent!

#4203. 60% of 480 + 48% of 600 = ?

#4204. 75% of 250 - ? % of 380 = 54.5

Character is who you are when no one is looking.

## #4028 2012-07-19 23:10:57

bobbym

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### Re: 10 second questions

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.

## #4029 2012-07-20 20:41:37

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4203 and #4204 are correct. Excellent!

#4205. A man spends 35% of his income on house rent, 75% of the remaining on other items. What percentage of the income does he save?

#4206. The passing marks in an examination is 36%. If a student gets 72 marks and failed by 18 marks, then what is the maximum marks in the examination?

Character is who you are when no one is looking.

## #4030 2012-07-20 20:47:30

bobbym

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### Re: 10 second questions

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.

## #4031 2012-07-21 21:01:04

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solution #4206 is correct. Good work!

#4207. In an examination, 93% of the students passed and 259 failed. What is the total number of students?

#4208. A earns 25% more than B. If they together earn \$2700 during the year, what is the amount that B earn annually?

Character is who you are when no one is looking.

## #4032 2012-07-21 22:18:29

bobbym

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### Re: 10 second questions

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.

## #4033 2012-07-22 22:02:05

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4207 and #4208 are perfect. Neat job!

#4209. Out of a class of 38, 3 were absent. 20% of the remainder failed to do the homework. How many girls did the homework?

#4210. When 8% of a number is added to itself, the result is 810. What is the number?

Character is who you are when no one is looking.

## #4034 2012-07-24 03:50:16

bobbym

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### Re: 10 second questions

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.

## #4035 2012-07-24 20:55:18

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4209 and #4210 are correct. Neat job!

#4211. In an examination, 52% failed in English and 42% failed in Mathematics. If 17% failed in both, then what is the percentage of those who passed in both subjects?

#4212. In a village, 40% of the population is literate. If the total population is 750, then what is the number of illiterates?

Character is who you are when no one is looking.

## #4036 2012-07-24 20:59:02

bobbym

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### Re: 10 second questions

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.

## #4037 2012-07-25 20:44:59

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym,

The solutions #4211 and #4212 are correct. Good work!

#4213. If two numbers are in the ratio 2:3 and their sum is 125, find the numbers.

#4214. Two numbers are in the ratio 5:3. Their difference is 20, then what is the smaller number?

Character is who you are when no one is looking.

## #4038 2012-07-25 22:39:06

bobbym

Offline

### Re: 10 second questions

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.

## #4039 2012-07-26 19:03:37

anonimnystefy
Real Member

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### Re: 10 second questions

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
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #4040 2012-07-26 21:11:34

ganesh
Moderator

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### Re: 10 second questions

Hi bobbym and anonimnystefy,

The solutions #4213 and #4214 are correct. Good work!

#4215. If A : B = 3 : 4 and B : C = 6: 7, then what is the ratio A : B : C equal to?

#4216. If A : B = 2 : 3, B : C = 4 : 5 and C : D =  6 : 7, then A : B : C : D is equal to ________________

Character is who you are when no one is looking.

## #4041 2012-07-26 21:15:54

anonimnystefy
Real Member

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### Re: 10 second questions

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
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #4042 2012-07-26 21:18:25

bobbym

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### Re: 10 second questions

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.

## #4043 2012-07-27 20:52:28

ganesh
Moderator

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### Re: 10 second questions

Hi anonimnystefy and bobbym,

The solutions #4215 and #4216 are correct. Excellent!

#4217. In 50 liters mixture of milk and water, the ratio of milk and water is 3 : 2. Find the quantity of water to be added in the mixture in order to make the ratio 2 : 3.

#4218. A mixture contains alcohol and water in the ratio 4 : 3. If 5 liters of water is added to the mixture, the ratio becomes
4 : 5. Find the quantity of alcohol in the given mixture.

Character is who you are when no one is looking.

## #4044 2012-07-27 21:06:18

bobbym

Offline

### Re: 10 second questions

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.

## #4045 2012-07-27 23:33:55

anonimnystefy
Real Member

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### Re: 10 second questions

Hi ganesh

Last edited by anonimnystefy (2012-07-27 23:39:04)

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
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #4046 2012-07-28 22:27:02

ganesh
Moderator

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### Re: 10 second questions

Hi,

The solutions #4217 and #4218 are correct, bobbym! Excellent!

The solution #4217 is correct, anonimnystefy! Good work!

#4219. A, B, and C enter into a partnership investing \$35,000, \$45,000, and \$55,000 respectively. Find the respective share of A in an annual profit of \$40,500.

#4220. A, B, and C started a shop by investing \$2700, \$8100, and \$7200 respectively. At the end of one year, the profit was distributed. If B's share was \$3600, find their total profit.

Character is who you are when no one is looking.

## #4047 2012-07-28 22:48:14

anonimnystefy
Real Member

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### Re: 10 second questions

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
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #4048 2012-07-29 01:37:54

bobbym

Offline

### Re: 10 second questions

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.

## #4049 2012-07-29 20:14:52

ganesh
Moderator

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### Re: 10 second questions

Hi anonimnystefy and bobbym,

The solutions #4219 and #4220 are correct. Excellent!

#4221. A can do a piece of work in 5 days and B can do the same work in 10 days. How many days would both take to complete the work?

#4222. A and B can finish a work in 16 days while A alone can do the same work in 24 days. B alone can finish the work in how many days?

Character is who you are when no one is looking.

## #4050 2012-07-29 20:27:20

bobbym

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### Re: 10 second questions

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.