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#1326 2011-09-06 00:58:57
- 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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#1327 2011-09-06 01:08:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym and anonimnystefy,
The solution #1218 is perfect. Excellent!
#1219. 10% loss on selling price is what percent loss on the cost price?
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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#1328 2011-09-06 01:26:21
- 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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#1329 2011-09-06 17:35:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution . Good attempt!
#1220. A man gains 20% by selling an article for a certain price. If he sells it at double the price, what would be the percentage of 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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#1330 2011-09-06 18:01:54
- 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.
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#1331 2011-09-06 22:28:03
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1220 is correct. Well done!
#1221. Find the value of
.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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#1332 2011-09-06 23:37:27
- 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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#1333 2011-09-06 23:40:12
- 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.
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#1334 2011-09-07 00:30:56
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi anonimnystefy and bobbym,
The solution #1221 is perfect. Excellent!
#1222. A man takes twice as long to row a distance against the stream as to row the same distance in favor of the stream. What is the ratio of the speed of the boat (in still water) and the stream?
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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#1335 2011-09-07 00:36:32
- 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.
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#1336 2011-09-07 17:15:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1222 is perfect. Neat job!
#1223. A, B, and C started a business by investing $120,000, $135,000, and $150,000 respectively. Find the share of each, out of an annual profit of $56,700.
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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#1337 2011-09-07 18:07:36
- 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
#1338 2011-09-07 23:50:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1223 is perfect. Excellent!
#1224. A man sold two flats for $675,958 each. On one he gains 16% while on the other, he loses 16%. How much does he gain or lose in the whole transaction?(In percentage)
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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#1339 2011-09-08 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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#1340 2011-09-08 17:16:17
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
#1225. A man buys an article for $27.50 and sells it for $28.60. Find his gain percent.
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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#1341 2011-09-08 20:35:11
- 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
#1342 2011-09-08 22:51:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1225 is correct. Well done!
#1226. A man bought chocolates at 3 for a dollar. How many for a dollar must he sell to gain 50%?
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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#1343 2011-09-08 23:07:59
- 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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#1344 2011-09-09 00:25:04
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1226 is perfect. Well done!
#1227. If
, 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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#1345 2011-09-09 00:28:09
- 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
#1346 2011-09-09 16:09:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1227 is correct. Well done!
#1228. Paulson spends 75% of his income. His income is increased by 20% and he increased his expenditure by 10%. Find the percentage increase in his savings.
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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#1347 2011-09-09 16:34:57
- 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
#1348 2011-09-11 01:12:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
#1229. What is the value of
% of 600 grams - % of 180 gramss?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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#1349 2011-09-11 01:31:23
- 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
#1350 2011-09-11 16:17:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 46,351
Re: Oral puzzles
Hi bobbym,
The solution #1229 is correct. Well done!
#1230. Find the compound interest on $7,500 at 4% per annum, for 2 years, compounded annually.
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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