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Algebra

New kid on the Block

 Joined: 9 May 2012 Post: 2
9 May 2012 20:56:20 IST
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Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Algebra

in a battle,70% of the combatants lost an eye,80 % an ear,75% an arm and x% lost all four limbs.find x.

Blazing goIITian

Joined: 8 May 2012
Posts: 466
10 May 2012 08:47:33 IST
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New kid on the Block

Joined: 9 May 2012
Posts: 2
10 May 2012 21:47:34 IST
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no........pls help

Cool goIITian

Joined: 15 Oct 2011
Posts: 42
10 May 2012 22:10:51 IST
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Somethings wrong with the question its not complete ..

Blazing goIITian

Joined: 8 Sep 2011
Posts: 437
10 May 2012 22:20:15 IST
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I can use the formula n(AUBUC)=nA+nB+nC-n(A^B)-n(B^C)-n(A^C)+n(A^B^C)... but i dont know how to calculate n(AUBUC)from this data...

Blazing goIITian

Joined: 8 Sep 2011
Posts: 437
10 May 2012 22:20:54 IST
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ya even i think incomplete..

New kid on the Block

Joined: 11 May 2012
Posts: 1
11 May 2012 16:54:00 IST
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u had written eye , ear and arm.  which is fourth limb

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