Statistics and Probability (KVPY Stream SB-SX (Class 12 & 1st Year B.Sc.) Math): Questions 7 - 9 of 9

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 172 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 150.00 or

Question number: 7

» Statistics and Probability » Probability

Appeared in Year: 2013

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 8

» Statistics and Probability » Probability of an Event

Appeared in Year: 2015

MCQ▾

Question

Let Equation and let a subset Equation of Equation be chosen so that every pair of elements of A differ by at least 3. (For example, if Equation , A can be Equation , {2} or {1, 5} among others). When Equation let the probability that Equation be Equation and let the probability that Equation be Equation . Then –

Choices

Choice (4) Response

a.

Equation and Equation

b.

Equation and Equation

c.

Equation and Equation

d.

Equation and Equation

Question number: 9

» Statistics and Probability » Probability of an Event

Appeared in Year: 2016

MCQ▾

Question

A box contains Equation blue balls and Equation red balls. A ball is drawn randomly from the box and is returned to the box with another ball of the same color. The probability that the second ball drawn from the box is blue is –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In