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#1101 2011-07-23 23:57:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1134 is perfect. Neat job!
#1135. Find the greatest fraction among these:
.It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1102 2011-07-24 00:00:27
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
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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#1103 2011-07-24 00:02:05
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
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#1104 2011-07-24 00:07:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1135 is perfect. Well done!
#1136. How many 3-digit numbers are divisible by 6?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1105 2011-07-24 00:08:14
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
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
#1106 2011-07-24 00:09:39
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1107 2011-07-24 17:24:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1136 is correct. Neat job!
#1137. If a:b = 5:9 and b:c = 4:7, find a:b:c.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1108 2011-07-24 18:12:57
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hiu ganesh;
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1109 2011-07-25 00:32:21
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1137 is perfect. Well done!
#1138. If x:y = 3:4, find (4x + 5y) : (5x - 2y).
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1110 2011-07-25 00:34:59
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
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
#1111 2011-07-25 00:38:52
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1112 2011-07-25 18:05:06
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1138 is perfect. Excellent work!
#1139. A person incurs 5% loss by selling a watch for $1,140. At what price should the watch be sold to earn 5% profit?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1113 2011-07-25 18:10:32
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1114 2011-07-25 23:32:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1139 is correct. Good work!
#1140. A book was sold for $27.50 with a profit of 10%. If it were sold for $25.75, then what would have been the percentage of profit or loss?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1115 2011-07-25 23:48:48
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1116 2011-07-26 01:22:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1140 is perfect. Well done!
#1141. Find the smallest number by which 5808 is to be multiplied so that the product becomes becomes a perfect square.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1117 2011-07-26 01:31:15
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1118 2011-07-26 16:30:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1141 is correct. Well done!
#1142. The sum of three numbers is 98. If the ratio of the first to the second is 2:3 and that of the second to the third is 5:8, find the second number.
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1119 2011-07-26 16:37:49
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1120 2011-07-26 18:30:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1142 is correct. Well done!
#1143. The ratio of the length and the perimeter of a rectangular plot is 1:3. What is the ratio of the length and breadth of the plot?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Offline
#1121 2011-07-26 20:30:01
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1122 2011-07-27 16:55:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1143 is correct. Well done!
#1144. A sells a bicycle to B at a profit of 20%. B sells it to C at a profit of 25%. If C pays $225 for it, what is the Cost Price of the bicycle for A?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
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#1123 2011-07-27 19:38:54
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline
#1124 2011-07-29 00:54:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,428
Re: Oral puzzles
Hi bobbym,
The solution #1144 is perfect. Good work!
#1145. In one hour, a boat goes 11 km along the stream and 5 km against the stream. What is the speed of the boat in still water (in km/hour)?
It appears to me that if one wants to make progress in mathematics, one should study the masters and not the pupils. - Niels Henrik Abel.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Offline
#1125 2011-07-29 02:47:34
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
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.
Always satisfy the Prime Directive of getting the right answer above all else.
Offline