Statistics · JEE Main previous year questions

2014 2 questions

1. Q62014 · 6 Apr 2014 · Shift 1

   Let $PS$ be the median of the triangle with vertices $P(2,2),Q(6,-1)$ and $R(7,3)$. The equation of the line passing through $(1,-1)$ and parallel to PS is :

   1. A.$4x+7y+3=0$
   2. B.$2x-9y-11=0$
   3. C.$4x-7y-11=0$
   4. D.$2x+9y+7=0$
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   Answer: D

2. Q202014 · 6 Apr 2014 · Shift 1

   The variance of first 50 even natural numbers is

   1. A.833
   2. B.437
   3. C.$\frac{437}{4}$
   4. D.$\frac{833}{4}$
   Show answer

   Answer: A