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Author Topic: S1 and S2 DOUBTS HERE!!!!  (Read 62612 times)

Offline ~ Miss Relina ~

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #330 on: January 14, 2012, 10:28:25 pm »
here we go exam after tom...hoping for a good..soon reply  :-[  :-\
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Offline Aayesha

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #331 on: January 15, 2012, 05:01:34 am »
has any one done s1 edexcel june 2011 q8 (g) and June 2004 S1 edexcel q5 (C)?
Please help!
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Offline Deadly_king

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #332 on: January 15, 2012, 05:10:01 am »
Quote from: Aayesha on January 15, 2012, 05:01:34 am
has any one done s1 edexcel june 2011 q8 (g) and June 2004 S1 edexcel q5 (C)?
Please help!

I think it would be best of you provided a link to the paper or posted the whole question since many of us do not have the paper at hand :(
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Offline Aayesha

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #333 on: January 15, 2012, 05:38:34 am »
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Offline Aayesha

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #334 on: January 15, 2012, 05:39:44 am »
june 2011.
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Offline astarmathsandphysics

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #335 on: January 15, 2012, 05:59:14 am »
Miss relina will do your q when I get home
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Offline astarmathsandphysics

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #336 on: January 16, 2012, 09:01:59 am »
Just 4 u miss relina
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Offline ~ Miss Relina ~

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #337 on: January 16, 2012, 04:54:01 pm »
Quote from: astarmathsandphysics on January 16, 2012, 09:01:59 am
Just 4 u miss relina

OMG!!!!!!!!!!!  :o :o :o :o...I don't know how can I thank you  :-[ :-[

I can not find the words to say that you are MY LIFE SAVER..........PERFECT   8)

I 've posted these questions on TSR but people there are kind of lazy ::) and annoying  :-\

but you really helped me throughout my long journey ..alllll credit goes to you  ;D  :-*

Thanks alot Sir   ;) ;) ;) ;) :) :) :)
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Offline astarmathsandphysics

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #338 on: January 17, 2012, 07:59:07 pm »
No probs. Pass the goodwill around
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Offline silvercameron

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #339 on: February 19, 2012, 11:47:05 am »
Q) I have 7 fruit bars to last a week. 2 are apricot, 3 are fig and 2 are peach. I select one bar each day. In how many different orders can i eat the bars?
If i select a fruit bar at random each day,what is the probability that i eat the 2 apricot ones on consecutive days?
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Offline astarmathsandphysics

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #340 on: February 19, 2012, 12:17:48 pm »
7/(2!3!2!)
6/(7/(2!3!2!))
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Offline silvercameron

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #341 on: February 19, 2012, 03:10:54 pm »
Quote from: astarmathsandphysics on February 19, 2012, 12:17:48 pm
7/(2!3!2!)
6/(7/(2!3!2!))
thankyou for answering the question but the book answers given in the book are, 210 and 2/7.

And i got a couple of more doubts:

Q) 6 people are going to travel in a six-seater minibus but only 3 of them can drive. In how many diffrent ways can they seat themselves?

Q) 10 people travel in 2 cars, a saloon and a mini. If the saloon has seats for six and the mini has seats for 4, find the number of different ways the party can travel, assuming that the order of seating in each car does not matter and all the people can drive.
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Offline astarmathsandphysics

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #342 on: February 20, 2012, 02:45:38 pm »
should be 7!/(2!3!2!) and 6/(7!(2!3!2!))
1. first pick the driver - choice of three and the remaining 5 can sit in 5! ways so 3*5!
2.10!/(4!6!)
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Offline silvercameron

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #343 on: February 20, 2012, 03:10:03 pm »
thankyou sir, got it.
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Offline astarmathsandphysics

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Re: S1 and S2 DOUBTS HERE!!!!
« Reply #344 on: February 20, 2012, 11:48:25 pm »
good go see the tests here on my website.
Putting up two good tests every day now
http://www.astarmathsandphysics.com/test_centre/
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