IIT JEE 1982 Maths - 'Adapted' - Subjective to Multi-Correct Q15

Discrete Mathematics Level pending

A and B are two candidates seeking admission in IIT. The probability that A is selected is 0.5 and the probability that A and B are selected is at most 0.3. Then the probability of B getting selected can be \( \text{_________}. \)

  • (A) 0.2
  • (B) 0.3
  • (C) 0.5
  • (D) 0.9

Enter your answer as a 4-digit string of 1s and 9s – 1 for correct option, 9 for wrong. For example: if \(A\) and \(B\) are correct, and \(C\) and \(D\) are incorrect, enter 1199. None, one or all may also be correct.


In case you are preparing for IIT JEE, you may want to try IIT JEE 1982 Mathematics Archives.
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