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#7301 2017-02-24 17:19:05

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6083 is correct. Excellent, bobbym!

#6084. The roots of

are equal, then a + 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.

Online

#7302 2017-02-24 21:05:05

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

Re: 10 second questions

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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#7303 2017-02-24 22:35:37

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

Revised problem #6084 : In a class test, the sum of Kamal's marks in Maths and English is 40. Had he got 3 marks more in Maths and 4 marks in English, the product of their marks would have been 360. Find his marks in the two subjects.


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.

Online

#7304 2017-02-24 23:15:42

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

Re: 10 second questions

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

#7305 2017-02-25 17:40:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

Revised problem #6084 : In a class test, the sum of Kamal's marks in Maths and English is 40. Had he got 3 marks more in Maths and 4 marks less in English, the product of their marks would have been 360. Find his marks in the two subjects.


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.

Online

#7306 2017-02-25 23:22:32

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

Re: 10 second questions

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

#7307 2017-02-26 18:50:23

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6084 is correct. Good work, bobbym!

#6085. Find the sum of first 75 natural numbers.

#6086. Find the sum 5 + 10 + 15 + ..... + 250.


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.

Online

#7308 2017-02-26 19:31:56

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

Re: 10 second questions

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

#7309 2017-02-26 23:41:16

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solutions #6085 and #6086 are correct. Neat work, bobbym!

#6087. Find the sum of first 20 terms of Arithmetic Progression in which third term is 7 and 7th term is two more than thrice of its 3rd 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.

Online

#7310 2017-02-27 02:04:19

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

Re: 10 second questions

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

#7311 2017-02-27 15:11:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6087 is correct. Good work, bobbym!

#6088. The 5th term of an Arithmetic Progression is 27 and the 8th term is 12. Determine the Arithmetic Progression. (first three terms)


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.

Online

#7312 2017-02-27 16:50:16

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

Re: 10 second questions

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

#7313 2017-02-27 21:37:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6088 is correct. Neat work, bobbym!

#6089. Express

as a fraction.


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.

Online

#7314 2017-02-28 00:01:39

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

Re: 10 second questions

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

#7315 2017-02-28 15:16:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6089 is correct. Neat work, bobbym!

#6090. In an infinite Geometric Progression, each term is equal to three times the sum of all the terms that follow it and the sum of the first two terms is 15. Find the sum of the series to infinity.


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.

Online

#7316 2017-02-28 21:17:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

#6091. What is the lateral surface area of a cone whose slant height is 10 cm and base diameter is 14 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.

Online

#7317 2017-02-28 21:46:27

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

Re: 10 second questions

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

#7318 2017-03-01 00:28:00

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6091 is correct. Good work, bobbym!

#6092. 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.

Online

#7319 2017-03-01 08:55:26

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

Re: 10 second questions

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

#7320 2017-03-01 16:55:09

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solutions in #6092 are correct. Neat work, bobbym!

#6093. Find the area of the quadrilateral ABCD given A(1,2), B(-3,4), C(-5,-6), and D(4,-1) (points are taken in order anticlockwise).


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.

Online

#7321 2017-03-01 22:30:50

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

Re: 10 second questions

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

#7322 2017-03-02 01:25:52

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6093 is correct. Keep it up, bobbym!

#6094. Find the area of the quadrilateral PQRS given P(5,-2), Q(3,4), R(4,-7), and S(1,1) (points are not in order).


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.

Online

#7323 2017-03-02 05:00:58

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

Re: 10 second questions

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

#7324 2017-03-02 18:05:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,837

Re: 10 second questions

Hi;

The solution #6094 is correct. Marvelous, bobbym!

#6095. Determine the value of 'a' such that (a,a), (2,3), and (4,-1) are collinear.


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.

Online

#7325 2017-03-02 23:13:47

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

Re: 10 second questions

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

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