Statistics and Probability-Probability (KVPY Stream SB-SX (Class 12 & 1st Year BSC) Math): Questions 1 - 1 of 1

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Question number: 1

» Statistics and Probability » Probability

Appeared in Year: 2013

MCQ▾

Question

A box contains coupons labeled 1,2,3n . A coupon is picked at random and the number x is noted. The coupon is put back into the box and a new coupon is picked at random. The new number is y . Then the probability that one of the numbers x,y divides the other is (in the options below [r] denotes the largest integer less than or equal to r ) (Model Paper)

Choices

Choice (4) Response

a.

12

b.

1n+1n2k=1n[nk]

c.

2n2k=1n[nk]1n

d.

1n2k=1n[nk]

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