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#526 2008-01-07 02:09:44

Jai Ganesh
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Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#502....What is the figure called?  It represents infinity...name the figure.

Answer to #497 :- Please check your answer again!
Remember, squares are rectangles too!!!


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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#527 2008-01-07 20:10:18

Jai Ganesh
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Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#566. What is the value of

?

#567. What is the value of

?

568. What is the square root of 0.000841?


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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#528 2008-01-07 20:22:54

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#569. Find the square root of

.

(a) 2 3/5
(b) 2 2/5
(c) 2 1/5
(d) 1 3/5.


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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#529 2008-01-08 01:58:38

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#570. In the figure, if angle x=65°, what is measure of angle z?


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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#530 2008-01-09 01:42:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#571. What is the remainder when x³-x²-5x-3 is divided by (x-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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#531 2008-01-09 02:14:50

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#572. 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.

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#532 2008-01-09 21:33:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#573 & #574. Express the following as Union or Intersection or complement of sets.


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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#533 2008-01-10 01:26:09

mondz
Member
Registered: 2008-01-10
Posts: 1

Re: 10 second questions

564
\frac{\sqrt{1-sin^2\theta}}{sin\theta}
=\frac{\sqrt{cos^2\theta}}{sin\theta}
\frac{cos\theta}{sin\theta}

Last edited by mondz (2008-01-10 01:31:48)

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#534 2008-01-10 02:06:16

Jai Ganesh
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Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

Well done, mondz!
Your answer is correct!!!


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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#535 2008-01-10 02:11:57

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#575. What is the value of x?


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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#536 2008-01-10 02:36:49

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#576. If 10 men plough 5 acres of land in 6 days working 5 hours a day, in how many days will 6 men plough 4 acres of land working 4 hours a day?


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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#537 2008-01-10 02:39:50

Jai Ganesh
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Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#577. Find the length of the longest rod that can be placed in a room 12 meters long, 9 meters broad and 8 meters high.


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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#538 2008-01-10 06:39:37

iheartmaths
Member
Registered: 2008-01-08
Posts: 31

Re: 10 second questions

ganesh wrote:

#575. What is the value of x?

lol Nevermind. I read the problem wrong.

Last edited by iheartmaths (2008-01-10 06:42:09)


Don't quote me on that.

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#539 2008-01-11 02:01:07

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#578. When

is divided by (x-2), what is the remainder?

#579. When the expression

is divided by (x+1), the remainder is 3. What is the value of 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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#540 2008-01-11 18:09:06

JohnnyReinB
Member
Registered: 2007-10-08
Posts: 453

Re: 10 second questions






"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted" wink

Nisi Quam Primum, Nequequam

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#541 2008-01-12 19:12:45

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

Well done, JohnnyReinB! All answers other than #560 are correct!!!


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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#542 2008-01-12 19:24:19

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#580. Find a rational number between 1/4 and 1/5.

#581.Find the value of
1.83X1.83 - 0.17X0.17

#582. Find the value of 103x97 + 103x103.


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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#543 2008-01-12 19:33:00

JohnnyReinB
Member
Registered: 2007-10-08
Posts: 453

Re: 10 second questions


"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted" wink

Nisi Quam Primum, Nequequam

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#544 2008-01-12 19:36:20

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

Yes, you are correct, JohnnyReinB!!!

#583. A number consists of two digits whose sum is 9. If 27 is added to the number, the digits are reversed. Find the number.

#584. A's salary is 50% more than that of B. What percent is B's salary less than that of 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.

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#545 2008-01-12 19:43:06

JohnnyReinB
Member
Registered: 2007-10-08
Posts: 453

Re: 10 second questions


"There is not a difference between an in-law and an outlaw, except maybe that an outlaw is wanted" wink

Nisi Quam Primum, Nequequam

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#546 2008-01-12 19:53:15

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

Answers to #583 and #584 are correct!
Very well done!!!

#585. Factorize:-
x²-a²+4a-4

#586. Factorize:-
4a²+12ab+9b²

#587. If 3p-9q=15 and pq=8, find the value of 9p²+16q².


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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#547 2008-01-12 21:19:19

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#588. An umbrella marked at $80 is sold for $68. What is the rate of discount?

#589. Find a single discount equal to successive discounts of 10% and 20%.

#590. The length of a rectangular field is twice its breadth. If the perimeter of the field is 204 meters, find its dimensions.


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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#548 2008-01-12 21:20:31

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#591. Simplify:-
(7p+9q)²-(7p-9q)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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#549 2008-01-15 22:35:28

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#592. What is the value of

?

#593. 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.

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#550 2008-01-16 18:03:46

Jai Ganesh
Administrator
Registered: 2005-06-28
Posts: 46,267

Re: 10 second questions

#594. What is the last digit 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.

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