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#2026 2012-07-22 03:22:00

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi ganesh;

Hi anonimnystefy;

Hurry up and fix your post number.


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2027 2012-07-22 23:14:41

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi anonimnystefy and bobbym,

The solution #1535 is correct. Neat job!

#1536. 30% of 200 + √{x} = 48% of 550 - 10% of 150.
Find the value of x.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2028 2012-07-23 05:39:32

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2029 2012-07-23 23:03:02

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi bobbym,

The solution #1536 is perfect. Remarkable!

#1537. After spending 25% of his money, a man has $24 left. How much he had in the beginning?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2030 2012-07-23 23:04:30

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi ganesh;



In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2031 2012-07-24 22:51:19

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi bobbym,

The solution #1537 is correct. Well done!

#1538. If 8100 is divided into three parts with the ratio 2:3:4, then what is the smallest number?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2032 2012-07-25 00:37:39

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2033 2012-07-25 21:00:18

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#2034 2012-07-25 23:19:32

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The solution #1538 is correct. Neat job!

#1539. If x:y = 6:5, then what is the ratio (5x + 3y) : (5x - 3y) equal to?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2035 2012-07-25 23:23:45

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#2036 2012-07-25 23:24:44

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2037 2012-07-26 23:02:00

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi anonimnystefy and bobbym,

The solution #1539 is correct. Marvelous!

#1540. In a college, the ratio of number of boys to girls is 8 : 5. If there are 160 girls, find the total number of students in the college.


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2038 2012-07-26 23:08:11

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2039 2012-07-27 01:37:51

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

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#2040 2012-07-28 00:37:39

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The solution #1540 is correct. Neat job!

#1541. A, B, C enter into partnership with $700, $1000, and $1200 respectively. What is the share of B out of the profit of $580?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2041 2012-07-28 00:49:28

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Offline

#2042 2012-07-28 03:34:46

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2043 2012-07-28 22:23:20

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi anonimnystefy and bobbym,

The solution #1541 is correct. Good work!

#1542. A is twice as good a workman as B. Together, they finish the work in 14 days. In how many days can it be done by each separately?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2044 2012-07-28 22:29:50

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2045 2012-07-28 23:52:09

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Offline

#2046 2012-07-29 23:04:15

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The solution #1542 is correct, Brilliant!

#1543. A can do a work in 7 days, B in 14 days, and C in 28 days respectively. How long would they take if all the three work together?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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#2047 2012-07-29 23:07:13

bobbym
Administrator
From: Bumpkinland
Registered: 2009-04-12
Posts: 104,285

Re: Oral puzzles

Hi ganesh;


In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
A number by itself is useful, but it is far more useful to know how accurate or certain that number is.

Online

#2048 2012-07-30 00:03:14

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Offline

#2049 2012-07-30 23:44:35

ganesh
Moderator
Registered: 2005-06-28
Posts: 20,915

Re: Oral puzzles

Hi bobbym and anonimnystefy,

The solution #1543 is correct. Good work!

#1544. A, B, and C together can do a work in 3 days. If A and B can do the work in 4 days, then C alone can do the work in how many days?


It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi. 

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

#2050 2012-07-31 00:12:14

anonimnystefy
Real Member
From: Harlan's World
Registered: 2011-05-23
Posts: 16,015

Re: Oral puzzles

Hi ganesh


“Here lies the reader who will never open this book. He is forever dead.
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.

Offline

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