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#2826 2011-07-27 16:38:55
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #3071 is perfect. Good work!
#3072. The area of a rectangle is 460 meters. If the length is 15% more than the breadth, what is the beadth of the rectangular field?
#3073. A retangular field is to be fenced on three sides leaving a side of 20 feet uncovered. If the area of the field is 680 square feet, how many feet of fencing would be required?
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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#2827 2011-07-27 19:42:25
- 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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#2828 2011-07-29 00:26:09
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #3072 and #3073 are correct. Excellent!
#3074. The ratio of the perimeter and the breadth of a rectangle is 5:1. If the area of the rectangle is 216 square centimeters, what is the length of the rectangle?
#3075. A farmer wishes to start a 100 square meters rectangular vegetable garden. Since he has only 30 meters barbed wire, he fences three sides of the garden letting his house compound wall act as the fourth side fencing. What is the dimension of the garden?
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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#2829 2011-07-29 02:41:25
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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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#2830 2011-07-29 17:05:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #3074 and #3075 are correct. Well done!
#3076. A large field of 700 hectares is divided into two parts. The difference of the areas of the two parts is one-fifth of the average of the two areas. What is the area of the smaller part in hectares?
#3077. A rectangular paper, when folded into two congreant parts had a perimeter of 34 cm for each part folded along one set of sides and the same is 38 cm when folded along the other set of sides. What is the area of the paper?
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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#2831 2011-07-29 20:41:06
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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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#2832 2011-07-30 00:28:46
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #3076 (315 hectares) is correct. Good work!
#3078. A rectangular plot is half as long as it is broad and its area is
hectares. What is its length?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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#2833 2011-07-30 00:41:55
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
Sorry, I did not get #3077 and forgot to indicate that I had no answer.
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
#2834 2011-07-30 00:45:56
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#2835 2011-07-30 02:01:10
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution #3078 is correct. Excellent!
#3079. If A:B = 5:7, and B:C = 6:11, then find A:B: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.
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#2836 2011-07-30 02:07:23
- 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
#2837 2011-07-30 02:30:12
- anonimnystefy
- Real Member
- From: Harlan's World
- Registered: 2011-05-23
- Posts: 16,049
Re: 10 second questions
hi ganesh
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.
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#2838 2011-07-30 16:54:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym and anonimnystefy,
The solution #3079 is correct. Good work!
#3080. If (x:y) = 2:1, then what is (x² - y²) : (x² + y²)?
#3081. If (4x² - 3y²) : (2x² + 5y²) = 12 : 19, then what is (x : y)?
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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#2839 2011-07-30 17:05:17
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2840 2011-07-31 00:23:22
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #3080 and #3081 are correct. Brilliant!
#3082. If A:B:C = 2:3:4, then what 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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#2841 2011-07-31 00:25:39
- 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
#2842 2011-07-31 00:53:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #3082 is correct. Neat job!
#3083. Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, find the largest number.
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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#2843 2011-07-31 00:59:17
- 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
#2844 2011-07-31 01:50:16
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #3083 is correct. Neat job!
#3084. If the sides of a right angled triangle are in Arithmetic Progression, then what are the sines of the acute angles?
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
#2845 2011-07-31 02:23:18
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2846 2011-07-31 20:09:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #3084 is correct. Neat job!
#3085. Find the value of x if
.#3086. Find the value of x if
.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
#2847 2011-07-31 22:13:13
- 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
#2848 2011-08-01 00:28:24
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solutions #3085 and #3086 are correct. Excellent!
#3087. Find three numbers in Geometric Progression such that their sum and product are respectively 14 and 64.
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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#2849 2011-08-01 00:35:36
- bobbym
- bumpkin
- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606
Re: 10 second questions
Hi ganesh;
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
#2850 2011-08-02 00:46:02
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,390
Re: 10 second questions
Hi bobbym,
The solution #3087 is correct. Well done!
#3088. A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?
#3089. A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long would it take to go 5 km in stationary water?
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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