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#876 2016-11-09 05:17:19

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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#877 2016-11-09 18:54:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 540 is correct. Excellent, bobbym!

541. Find the sum of all 3-digit natural numbers which are divisible by 13.


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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#878 2016-11-09 20:01:13

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

#879 2016-11-10 18:26:12

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 541 is correct. Excellent, bobbym!

542. Solve the following system of exuations:



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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#880 2016-11-11 04:35:09

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

#881 2016-11-11 17:47:36

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 542 is correct. Excellent, bobbym!

543. Tickets are numbered from 1 to 100. They are well shuffled and a ticket is drawn at random. What is the probability that the card drawn has:
a) an even number
b) a number 5 or a multiple of 5
c) a number which is greater than 75
d) a number which is a square?


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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#882 2016-11-11 20:26:44

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

#883 2016-11-13 17:20:14

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 543 is correct. Excellent, bobbym!

544. King, Queen and jack of diamonds are removed from a pack of 52 cards and then the pack is well-shuffled. A card is drawn from the remaining cards. Find the probability of getting a card of (a) diamonds (b) a Jack.


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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#884 2016-11-13 18:38:32

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

#885 2016-11-14 00:44:43

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 544 is 50% correct. Good work, bobbym!

545. A card is drawn at random from a well shuffled deck of playing cards. Find the probability that the card drawn is
(a) a card of a spade or an ace
(b) a red king
(c) neither a king nor a queen
(d) either a king or a queen.


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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#886 2016-11-14 04:05:38

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

#887 2016-11-14 17:58:33

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

All four parts in 545 is correct. Excellent, bobbym!

546. A card is drawn at random from a pack of 52 cards. Find the probability of drawing:
(a) a black card
(b) a jack or a queen or a king
(c) a card which is either a heart or a king
(d) a card which is neither a spade nor a king.


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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#888 2016-11-14 18:56:27

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

#889 2016-11-15 16:51:51

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 545 is correct. Excellent, bobbym!

546. From a pack of 52 playing cards, jacks, queens, kings, and aces of red color are removed. From the remaining, a card is drawn at random. Find the probability that the card drawn is
a) a black queen
b) a red card
c) a black jack
d) a picture card (jacks, queens, and kings are picture cards).


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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#890 2016-11-15 18:39:13

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

#891 2016-11-16 18:15:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 546 (four parts) is correct. Excellent, bobbym!

547. Cards marked with numbers 13, 14, 15, ...., 60 are placed in a box and mixed thoroughly. One card is drawn at random from the box. Find the probability that the number on drawn card is
a) number divisible by 5
b) a number which is a perfect square.


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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#892 2016-11-16 19:18:42

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

#893 2016-11-17 19:25:44

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 547 (two parts) is correct. Excellent, bobbym!

548. Find the probability that a number selected at random from the numbers 1, 2, 3, ...., 35 is
a) a prime number
b) multiple of 7
c) multiple of 3 or 5.


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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#894 2016-11-17 21:16:53

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

#895 2016-11-17 21:17:14

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

#896 2016-11-18 16:37:04

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 548 is correct. Excellent, bobbym!

549. Ticket numbers 3, 5, 7, 9, ..., 29 are placed in a box and mixed thoroughly. One ticket is drawn at random from the box. Find the probability that the number on the ticket is
a) a prime number
b) a number less than 16
c) a number divisible 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.

Offline

#897 2016-11-18 18:54:14

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

#898 2016-11-23 23:47:18

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution 549 (three parts) is correct. Excellent, bobbym!

550. Find the vertices of the triangle, the mid-points of whose sides are (3,1), (5,6), and (-3,2).


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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#899 2016-11-24 03:15:59

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

#900 2016-12-21 00:40:17

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 45,966

Re: Compute the solution:

Hi;

The solution in 550 is correct. Marvelous, bobbym!

551. Find the value of k, if the points A(2,3), B(4,k), and C(6,-3) 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.

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