# Thread: Easy Brain Teaser. First one with right answer gets the 10 points?

1. Entry Level Fresher
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Aug 2009
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15
many solutions possible but in all a,l,d=0 r=g
like: 031000+231000=262000

2. Entry Level Fresher
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Aug 2009
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15
quite easy one: all divisible by 12
16 mumbers......12..24..36........192

3. Entry Level Fresher
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Aug 2009
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upon visually interpretation(using graph theory)
c=3d, 16*d*d=36*(a-b) a=-b
so a=2,b=-2,c=9,d=3
a+b+c+d=12
to solve ...we can first visualize by drawing these straight lines that these must represent a rhombus and when area is becoming one-fourth by one vertex from (-d,0) to (d,0) that means both diagonals of rhombus would have half lengths of their previous lengths. i.e c+d=2(c-d) so c=3d and calculating length of other diagonal and given the area we get
(c+d)*2(c+d)/(a-b)=72
so that gives us ans

4. Entry Level Fresher
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kanchun-junga or mount k2

5. Entry Level Fresher
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Non sense questions

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