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#176 2009-04-02 17:12:18
- Jai Ganesh
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- Registered: 2005-06-28
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Re: Exercise
What is the probability of a leap year, selected at random, containing 53 Sundays?
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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#177 2009-04-02 17:21:47
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
Five letters are are placed at random in five addressed envelopes. Find the probability that all the letters are not put in the right covers.
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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#178 2009-04-02 17:32:06
- Jai Ganesh
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Re: Exercise
A can solve 90% of the problems in a book and B can solve 70% of them. What is the probability that at least one of them would solve a problem selected at random from the book?
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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#179 2009-04-02 21:42:46
- Jai Ganesh
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Re: Exercise
The sum of the numerator and the denomintor of a fraction is 11. If 1 is added to the numerator and 2 is subtracted from the denominator, it becomes
Find the 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.
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#180 2009-04-02 21:53:35
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
The product of two fractions is
and their quotient is
.
Find the greater 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
#181 2009-04-02 22:33:49
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
One fifth of a number is equal to
of another number. If 35 is added to the first number, it becomes four times the second number. What is the second 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.
Online
#182 2009-04-02 22:46:44
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
In a pair of fractions, fraction A is twice the fraction B and the product of the two fractions is
What is the value of fracion A?
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
#183 2009-04-02 22:56:21
- Jai Ganesh
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- Registered: 2005-06-28
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Re: Exercise
The denominator of a fraction is 3 more than the numerator. If the numerator as well as the denominator are increased by 4, the fraction becomes
What is the original 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
#184 2009-04-02 23:03:01
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
The difference between the numerator and the denominator of a fraction is 5. If 5 is added to the denominator, the fraction is decreased by
Find the 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
#185 2009-04-03 03:54:31
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
What is the value of
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
#186 2009-04-03 04:02:59
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
What are the values of a, b, and c if
and
are perpendicular to each other?
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
#187 2009-04-03 04:11:45
- Jai Ganesh
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- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
What is the slope of the normal to the curve y = 3x[sup]2[/sup] at the point whose x coordinate is 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.
Online
#188 2009-04-03 18:58:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
then what is the value of a and b?
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
#189 2009-04-03 21:33:05
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
and
,
then what are the values of x and y for which A and B would be equal?
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
#190 2009-04-03 21:47:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
and
,
what is 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.
Online
#191 2009-04-03 22:04:11
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If f(x) = 2x[sup]2[/sup] - 3x and
then what is f(A)?
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
#192 2009-04-03 23:27:13
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
what is X equal to?
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
#193 2009-04-03 23:42:19
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
what are x and y equal to?
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
#194 2009-04-03 23:51:38
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
what are the values of x and 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.
Online
#195 2009-04-04 01:07:32
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If 3 sinθ + 5 cosθ = 5, then what is the value of 5 sin θ - 3 cos θ?
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
#196 2009-04-04 01:17:51
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
What is the value of
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
#197 2009-04-04 01:39:54
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If tanθ + sinθ = m and tanθ - sinθ = n, then what is the value of
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
#198 2009-04-04 01:53:28
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
What is 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.
Online
#199 2009-04-04 03:25:43
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
If
what is the value of
?
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
#200 2009-04-04 03:57:17
- Jai Ganesh
- Administrator
- Registered: 2005-06-28
- Posts: 48,406
Re: Exercise
What is the value of
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.
Online