Statistics and ProbabilityMeasures of Dispersion (KVPY (Kishore Vaigyanik Protsahan Yojana) StreamSA (Class 11) Math): Questions 1  2 of 2
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Question number: 1
» Statistics and Probability » Measures of Dispersion
Appeared in Year: 2011
Question
Consider an incomplete pyramid of balls on a square base having 18 layers; and having 13 balls on each side of the top layer. Then the total number N of balls in that pyramid satisfies
Choices
Choice (4)  Response  

a.  7000 < N < 8000 

b.  8000 < N < 9000 

c.  10000 < N < 12000 

d.  9000 < N < 10000 

Question number: 2
» Statistics and Probability » Measures of Dispersion
Question
Consider an incomplete pyramid of balls on a square base having 15 layers; and having 8 balls on each side of the top layer. Then the total number N of balls in that pyramid satisfies
Choices
Choice (4)  Response  

a.  3800 < N < 4000 

b.  3000 < N < 4000 

c.  6000 < N < 8000 

d.  10000 < N < 12000 
