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#951 2017-02-19 16:14:12
- 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.
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#952 2017-02-19 16:31:25
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
Corrected : 573. Water is flowing through a cylindrical pipe, of internal diameter 2 cm, into a cylindrical tank of base radius 40 cm, at the rate of 0.4 m/s. Determine the rise in level of water in the tank in half an hour.
Sorry for the inconvenience, bobbym!
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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#953 2017-02-19 19:17:48
- 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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#954 2017-02-19 22:23:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 573 is correct. Excellent, bobbym!
574. A bag contains 5 red, 8 green and 7 white balls. One ball is drawn at random from the bag. Find the probability of
(i) a white ball or a green ball
(ii) neither a green ball nor a red ball
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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#955 2017-02-20 02:48:47
- 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
#956 2017-02-20 15:19:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 574 (two parts) is correct. Excellent, bobbym!
575. All the three face cards of spades are removed from a well-shuffled pack of 52 cards. A card is drawn at random from the remaining pack. Find the probability of getting
(i) a black face card
(ii) a queen
(iii) a black card
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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#957 2017-02-20 17:09:57
- 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
#958 2017-02-20 19:25:14
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 575 (three parts) is correct. Excellent, bobbym!
576. A hemispherical tank, full of water, is emptied by a pipe at the rate of 25/7 liters per second. How mach time will it take to empty half the tank if diameter of the tank is 3 m?
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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#959 2017-02-20 21:18:50
- 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
#960 2017-02-20 21:40:14
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
577. A bag contains 3 red, 5 black and 7 white balls. A ball is drawn from the bag at random. Find the probability that the drawn ball is
(i) white
(ii) red
(iii) not black
(iv) red or white
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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#961 2017-02-21 04:50:52
- 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
#962 2017-02-21 16:32:57
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 577 (four parts) is correct. Excellent, bobbym!
578. A semicircular sheet of metal of diameter 28 cm is bent into an open conical cup. Find the depth and the capacity of the cup.
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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#963 2017-02-21 20:58:52
- 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
#964 2017-02-22 18:02:58
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
579. From the top of a tower 100 m high, a man observes two cars on the opposite sides of the tower with angles of depression 30 degrees and 45 degrees respectively. Find the distance between the cars.
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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#965 2017-02-22 21:58:04
- 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
#966 2017-02-24 17:42:26
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 579 is correct. Excellent, bobbym!
580. A card is drawn from a well shuffled pack of 52 cards. Find the probability of
(i) a red card
(ii) a king
(iii) a card of club
(iv) a black ace
(v) a king of heart
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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#967 2017-02-24 21:09:03
- 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
#968 2017-02-25 22:14:37
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 580 is correct. Excellent, bobbym!
581. Evaluate:
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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#969 2017-02-25 23:31:33
- 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
#970 2017-02-26 18:24:54
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 581 is correct. Excellent, bobbym!
582. Find the values of p and q so that (x + 2) and (x - 1) are the factors of the polynomial
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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#971 2017-02-26 19:28:18
- 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
#972 2017-02-26 23:32:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 582 is correct. Excellent, bobbym!
583. The diameter of a roller is 140 cm and 84 cm long. It takes 350 complete revolution to level a playground, determine the cost of leveling at the rate of $5 per square meter.
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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#973 2017-02-27 02:10:08
- 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
#974 2017-02-27 17:31:07
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,422
Re: Compute the solution:
Hi;
The solution 583 is correct. Excellent, bobbym!
584. The probability that a student passes English test is 2/3, the probability that he passes both English and Tamil test is 11/15. The probability that he passes at least one test is 1/3. What is the probability that he passes the Tamil test?
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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#975 2017-02-27 19:37:59
- 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