12 defective pens are accidentally mixed with 132 good ones. It is not possible to just look at a pen and tell whether or not it is defective .One pen is taken out at random from this lot. What is the probability that the pen taken out is a good one.
9/12
11/12
1/4
1/132
A card is drawn at random from a well-shuffled pack of 52 cards. Then the probability that the card drawn is neither a red card nor a queen
4/52
1/13
6/13
None of these
If an event cannot occur, then its probability is
1
3/4
1/2
0
The probability of throwing a number greater than 2 with a fair dice is
4/5
2/5
2/3
1/5
If two coins are tossed simultaneously, then the probability of getting no head is
1/6
A school has five houses A, B, C, D and E, A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D and rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B and C is.
4/23
6/23
8/23
17/23
A bag contains 5 black 7 red and 3 white balls. A ball is drawn from the bag at random. The probability that the ball drawn is not black is
1/10
One card is drawn from a well-shuffled deck of 52 cards. Then the probability of getting a spade is
1/52
The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is
7
14
21
51
What is the probability that a leap year, selected at random will contain 53 Sundays?
3/7
1/7
2/7
53/336
