What is the probability that a student chosen randomly studies in class XII

In a school, there are 1000 students, out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in class XII given that the chosen student is a girl?

  1. 3/4
  2. 1/10
  3. 1/5
  4. 3/7
Anurag Mishra Professor Asked on 18th April 2016 in Maths.
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1 Answer(s)

Answer: (2) 1/10 

Anurag Mishra Professor Answered on 22nd April 2016.
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