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Aptitude · Q95

Probability

Competitive Exams · Aptitude · question 95

Q95

A special lottery is to be held to select a student who will live in the only deluxe room in a hostel. There are 100 Year-III, 150 Year-II and 200 Year-I students who applied. Each Year-III's name is placed in the lottery 3 times; each Year-II's name, 2 times and Year-I's name, 1 time. What is the probability that a Year-III's name will be chosen?

A.
B.
C.
D.
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
Total names in the lottery,

Number of Year-III's names,

Required probability,