Quantitative Aptitude

1. What is the probability that card drawn at random from a pack of cards is either red or a king?    (2)

  1. 1. 15/26
  2. 2. 7/13
  3. 3. 27/52
  4. 4. 3/13
  5. 5. 11/52
2. A bag has twelve bananas out of which four are rotten. Two bananas are selected at random. Find the probability that the bananas are of both types.    (4)

  1. 1. 2/9
  2. 2. 23/40
  3. 3. 7/18
  4. 4. 4/9
  5. 5. None of these
3. The probability of Sharmila and Shushma passing an exam is 2/5 and 3/5, respectively. Find the probability that at least one of them passes the exam.        (3)

  1. 1. 1/25
  2. 2. 1/5
  3. 3. 19/25
  4. 4. 1/2
  5. 5. 17/25
4. Bag 1 has three yellow and four blue balls and bag 2 has four yellow and three blue balls. One bag is selected at random and a ball drawn out of it. Find the probability that the ball drawn is yellow.        (1)

  1. 1. 1/2
  2. 2. 12/49
  3. 3. 3/7
  4. 4. 5/7
  5. 5. None of these
5. Two dice are thrown. The probability that both of them show an odd number greater than 3 is:         (1)

  1. 1. 1/36
  2. 2. 1/6
  3. 3. 2/3
  4. 4. 1/4
  5. 5. 5/36