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#5176 2016-10-21 18:11:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The two solutions in #3258 are correct. Excellent, bobbym!

#3259. If the sum of 3 terms of an Arithmetic Progression is 51 and product of last and first term is 273, find the numbers.


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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#5177 2016-10-22 01:20:10

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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#5178 2016-10-22 20:23:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution set in #3259 is correct. Neat work, bobbym!

#3260. Find the sum of all integers between 50 and 500 which are divisible by 7.


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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#5179 2016-10-23 02:01:57

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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#5180 2016-10-23 17:07:43

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3260 is correct. Neat work, bobbym!

#3261. The 21st term of an Arithmetic Progression whose first two terms are -3 and 4 is __________.


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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#5181 2016-10-23 17:22:15

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

#5182 2016-10-24 16:36:41

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3261 is correct. Neat work, bobbym!

#3262. If the 2nd term of an Arithmetic Progression is 13 and the 5th term is 25, what is the 7th term?


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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#5183 2016-10-24 17:24:29

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

#5184 2016-10-25 16:43:26

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3262 is correct. Excellent, bobbym!

#3263. For what value of k , the roots of the equation

are 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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#5185 2016-10-25 17:53:50

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

#5186 2016-10-26 16:47:27

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solutions in #3263 are correct. Excellent, bobbym!

#3264. Find the value(s) of k for which the quadratic equation

have equal roots are __________.


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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#5187 2016-10-26 20:13:12

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.

Offline

#5188 2016-10-27 17:21:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The two solutions in #3263 are correct. Neat work, bobbym!

#3264. Solve:



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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#5189 2016-10-29 17:31:22

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

#3265. Find the roots of the equation


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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#5190 2016-10-29 17:40:34

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

#5191 2016-10-29 18:05:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The two solutions in #3265 are correct. Neat work, bobbym!

#3266. If the quadratic equation

has equal roots, then find the value of p.


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

#5192 2016-10-29 19:37:21

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

#5193 2016-10-30 15:16:01

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3266 is correct. Neat work, bobbym!

#3267. The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand is 1 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

#5194 2016-10-30 17:10:23

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

#5195 2016-10-31 17:01:53

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3267 is correct. Neat work, bobbym!

#3268. If pi is taken as 22/7, the distance (in meters) covered by a wheel of diameter 35 cm, in one revolution is _________.


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

#5196 2016-10-31 17:44:40

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

#5197 2016-11-01 15:39:53

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

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#5198 2016-11-01 16:58:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,954

Re: Oral puzzles

Hi;

The solution #3628 is correct. Neat work, bobbym and Monox D. I-Fly!

#3629. Find the perimeter of sector of an angle 45 degrees of a circle with radius 7 cm.


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

#5199 2016-11-01 17:17:50

bobbym
bumpkin
From: Bumpkinland
Registered: 2009-04-12
Posts: 109,606

Re: Oral puzzles

Hi;

I got it wrong on #3628, you wanted meters and I gave centimeters. Missed that in the question.


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

#5200 2016-11-02 15:18:42

Monox D. I-Fly
Member
From: Indonesia
Registered: 2015-12-02
Posts: 2,000

Re: Oral puzzles


Actually I never watch Star Wars and not interested in it anyway, but I choose a Yoda card as my avatar in honor of our great friend bobbym who has passed away.
May his adventurous soul rest in peace at heaven.

Offline

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