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#1351 2011-09-11 16:28:09
- 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.
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#1352 2011-09-11 23:02:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1230 is perfect. Good work!
#1231. A two-digit number becomes five-sixth of itself when the digits are reversed. The two digits differ by one. Find the 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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#1353 2011-09-11 23:06:59
- 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
#1354 2011-09-12 01:25:23
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1231 is correct. Well done!
#1232. At what rate percent per annum (simple interest) would a sum of money double in 16 years?
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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#1355 2011-09-12 01:30:18
- 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
#1356 2011-09-12 19:00:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
#1233. The simple interest in a sum of money is
of the Principal. Find the rate percent and time, if both are numercially equal.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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#1357 2011-09-12 23:17:51
- 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
#1358 2011-09-12 23:39:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
#1234. What annual instalment would discharge a debt of $1092 in 3 years at 12% simple interest?
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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#1359 2011-09-12 23:50:18
- 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
#1360 2011-09-13 00:12:49
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
#1235. Find the simple interest on $68,000 at
% per annum for 9 months.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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#1361 2011-09-13 00:17:20
- 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
#1362 2011-09-13 00:34:33
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
#1236. A sum of $800 amounts to $920 in 3 years at simple interest. If the rate is increased by 3%, how much would it amount to?
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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#1363 2011-09-13 00:43:55
- 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
#1364 2011-09-14 00:05:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1236 is perfect. Well done!
#1237. If each edge of a cube is doubled, what results in the volume?
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
#1365 2011-09-14 00:23:13
- 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
#1366 2011-09-14 17:56:34
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1237 is correct. Well done!
#1238. If every side of a triangle is doubled, the area of the new triangle is K times the area of the old one. What is the value of K?
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
#1367 2011-09-14 18:06:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Oral puzzles
Hi ganeshl
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
#1368 2011-09-15 00:04:59
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1238 is perfect. Good work!
#1239. Anand and Deepak started a business investing $22,500 and $35,000 respectively. Out of the total profit of $13,800, what is Deepak's share?
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
#1369 2011-09-15 01:37:33
- 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
#1370 2011-09-15 17:24:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1239 is perfect. Good work!
#1240. If the volumes of two cubes are in the ratio 27:1, what is the ratio of their edges?
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
#1371 2011-09-15 18:39:14
- 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
#1372 2011-09-16 18:46:45
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1240 is correct. Good work!
#1241. A circular well with a diameter of 2 meters, is dug to a depth of 14 meters. What is the volume of the earth dug out?
(Use
)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
#1373 2011-09-16 21:41:26
- 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
#1374 2011-09-16 23:57:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,427
Re: Oral puzzles
Hi bobbym,
The solution #1241 is perfect. Neat job!
#1242. The capacity of a cylindical tank is 246.4 liters. If the height is 4 meters, what is the diameter of the base?
(Use
)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
#1375 2011-09-17 02:33:16
- 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