# Statistics and Probability-Measures of Dispersion (KVPY Stream-SA (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

MCQ▾

### 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

MCQ▾

### 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

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