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#851 2016-10-31 17:26:11
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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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#852 2016-10-31 18:11:29
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 527 (four parts) are correct. Excellent, bobbym!
528. Find the sum of all three digit natural numbers which are divisible by
(a) 7
(b) 9.
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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#853 2016-11-01 01:42:07
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#854 2016-11-01 16:45:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 528 is correct. Excellent, bobbym!
529. The first and last terms of an Arithmetic Progression are -4 and 146 respectively and the sum of the A.P. is 7171. Find the number og terms in the A.P. and the common difference.
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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#855 2016-11-01 17:10:27
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#856 2016-11-01 23:21:36
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 529 (two parts) is correct. Excellent, bobbym!
530 (a). The sum S of first n natural numbers is given by the formula S = n(n + 1)/2. If S = 231, find n.
530 (b). Find the sum of all two digit numbers, which leave 1 as remainder, when divided by 3.
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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#857 2016-11-02 02:44:47
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#858 2016-11-02 16:20:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 530 (two parts) is correct. Brilliant, bobbym!
531. If the ratio of the sums of n terms of two arithmetic progressions is (7n + 1):(4n + 27), find the ratio of their 11th 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.
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#859 2016-11-02 19:24:56
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#860 2016-11-03 00:29:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 531 is correct. Excellent, bobbym!
532. Determine the ratio in which the line 2x + 3y - 30 = 0 divides the join of A(3,4) and B(7,8). Also, find the coordinates of the point of division.
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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#861 2016-11-03 04:14:39
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#862 2016-11-03 16:47:08
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 532 (two parts) is correct. Marvelous, bobbym!
533. The two vertices of a parallelogram taken in order are (-7,-3) and (-10,-1). The coordinates of the point of intersection of the diagonals of the parallelogram are (-4,-8). Find the coordinates of the remaining two vertices of the parallelogram.
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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#863 2016-11-03 23:32:12
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#864 2016-11-04 18:04:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 533 is correct. Splendid, bobbym!
534. Two points O(0,0) and
form with another point P an equilateral triangle. Find the coordinates of P. (two points)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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#865 2016-11-04 19:23:45
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#866 2016-11-04 23:55:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 534 is correct. Excellent, bobbym!
535. Point A lies on the line segment PQ joining P(6,-6) and Q(-4,-1)in such a way that PA/PQ = 2/5. If point P also lies on the line 3x + k(y + 1) = 0, find 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.
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#867 2016-11-05 05:01:10
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#868 2016-11-05 19:12:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
536. A sector of circle of radius 15 cm has an angle 120 degrees. It is rolled up so that in two bounding radii are joined together to form a cone. Find the volume of the cone.
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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#869 2016-11-06 00:04:09
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#870 2016-11-06 00:12:50
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
537. (a) Find the sum of those integers from 1 to 500 which are multiples of 2 or 5.
#537. (b) The 16th term of an Arithmetic Progression is five times the third term. If the 10th term is 41, find the sum of the first fifteen 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.
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#871 2016-11-06 06:33:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#872 2016-11-06 19:32:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 537 (two parts) is correct. Brilliant, bobbym!
538. Find the sum of first 19 terms of an Arithmetic Progression whose 8th term is 41 and 13th term is 61.
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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#873 2016-11-07 21:00:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
539. If in an Arithmetic Progression, the first term is-4, the last term is 29, and the sum of all of its is 150, find the common difference.
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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#874 2016-11-08 03:10:29
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: Compute the solution:
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
#875 2016-11-08 21:16:41
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 539 is correct. Excellent, bobbym!
540. The first term, common difference and the last term of an Arithmetic Progression are 12, 6 and 252 respectively. Find the sum of all terms of this Arithmetic Progression.
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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