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Ask iit jee aieee pet cbse icse state board experts Expert Question: permutation &combination bouncer!!!!!-u will love it
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vidur (14)

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in a test comprising 3 papers, 100 students appeared of which 77 passed in paper I , 86 in paper II and 92 in paper III . The maximum no. of students who passed only in paper III is
 
(a) 8                            (b) 14
 
 
(C)23                            (d) 35
    
karthik_abiram (1222)

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hii,
is the answer 14?
please correct me if i am wrong.....
 
cheers!

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prateek.agarwal (307)

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well...just can't understand ur question...
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avinash.sharma (1189)

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Make use the following expression to solve such problems.
 
 A  B  C = A + B + C - {A  B + B  C + C  A} + A  C
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sabnisneil (16)

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sir we r trying.........

names neil.....neil sabnis
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ashish040191 (142)

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a+b+c+d+e+f=100
a+e+g+f=77
c+d+f+g=86
b+d+e+g=92
 
We hav to find value of b
Find it out withthe help of above eqns.
 
I have indicated a,b,c...... in venn diagram
 
Plz rate if ans comes
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