# One square is selected from an 8 x 8 chessboard. What is the probability that it is a square of size 2x2

1.  51/204

2.  49/204

3.  25/102

4.  13/27

4

49/204

Explanation :
No Explanation available for this question

# A bag contains 5 five-rupee coins, 8 two-rupee coins and 7 one-rupee coins. If four coins are drawn from the bag at random, then find the odds in favour of the draw yielding the maximum possible amount.

1.  1 : 968

2.  968:969

3.  1 : 969

4.  969 : 968

4

1 : 968

Explanation :
No Explanation available for this question

# Two numbers are selected from the set of numbers {3,6,9, 12, 15,.......99} at random. Find the probability that the sum of the two numbers selected is odd

1.  1/11

2.  17/33

3.  7/33

4.  2/11

4

17/33

Explanation :
No Explanation available for this question

# A bag contains 8 red and 4 blue balls and another bag contains 7 blue and 5 red balls. If one of the bags is selected at random and two balls are drawn at random from the bag thus selected, the probability that the two balls are of different colours is

1.  9/144

2.  135/144

3.  67/132

4.  65/132

4

67/132

Explanation :
No Explanation available for this question

# In a class, there are equal number of boys and girls.Two students are selected for a game. If the probability that two students are girls is 7/29, then find the strength of the class

1.   15

2.  30

3.  90

4.  60

4

30

Explanation :
No Explanation available for this question

# Three balls are drawn at random, from an urn containing 5 yellow, 4 white and 3 blue balls, what is the probability that the three balls are of the same colour

1.  17/30

2.  13/30

3.  3/44

4.  3/11

4

3/44

Explanation :
No Explanation available for this question

# In a school there are 6 teachers, 10 boys and 4 girls. A team of 3 members is to be formed from these persons.Find the probability that the team contains 1 teacher, 1 boy and 1 girl.

1.  4/19

2.  15/19

3.  1/57

4.  56/57

4

4/19

Explanation :
No Explanation available for this question

# A and B pick up a card at random .from a well shuffled pack of cards, one after the other, replacing it every time till one of them gets a heart. If A begins the game,then the probability that the game ends with B is

1.  3/7

2.  4/7

3.  3/4

4.  1/4

4

3/7

Explanation :
No Explanation available for this question

# If the probability for X and Y to pass in an examination is 0.9 and 0.8 respectively, then find the probability that either X or Y fails.

1.  0.98

2.  0.28

3.  0.72

4.  0.02

4

0.28

Explanation :
No Explanation available for this question

1.  13/30

2.  17/30

3.  19/30

4.  11/30

4