# An urn contains 6red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red

1.  6/13

2.  5/26

3.  5/13

4.  7/26

4

5/26

Explanation :
No Explanation available for this question

# Four dice are thrown simultaneously. Find the probability that all of them show the same face.

1.  1/216

2.  1/36

3.  4/216

4.  3/216

4

1/216

Explanation :
No Explanation available for this question

# A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement. What is the probability that first is white and second is black

1.  18/145

2.  18/29

3.  36/135

4.  36/145

4

36/145

Explanation :
No Explanation available for this question

# What is the probability that a number selected from numbers 1,2,3,...,30, is prime number, when each of the given numbers is equally likely to be selected

1.  9/30

2.  8/30

3.  10/30

4.  11/30

4

10/30

Explanation :
No Explanation available for this question

# A bag contains 21 toys numbered 1 to 21. A toy is drawn and then another toy is drawn without replacement. Find the probability that both toys will show even numbers.

1.  5/21

2.  9/42

3.  11/42

4.  4/21

4

9/42

Explanation :
No Explanation available for this question

# A five-digit number is formed by using digits 1,2,3,4 and 5 without repetition. What is the probability that the number is divisible by 4

1.  1/5

2.  5/6

3.  4/5

4.  None of these

4

1/5

Explanation :
No Explanation available for this question

# A bag contains 5 red and 3 green balls. Another bag contains 4 red and 6 green balls. If one ball is drawn from each bag. Find the probability that one ball is red and one is green

1.  19/20

2.  17/20

3.  8/10

4.  9/10

4

9/10

Explanation :
No Explanation available for this question

# A speaks truth in 75% of cases and B in 80% of cases. In what percent of cases are they likely to contradict each other in narrating the same event

1.  35%

2.  5%

3.  45%

4.  22.5%

4

35\%

Explanation :
No Explanation available for this question

# Two cards are drawn from a pack of well shuffled cards. Find the probability that one is a club and other in King

1.  1/13

2.  4/13

3.  1/52

4.  1/26

4

1/26

Explanation :
No Explanation available for this question

1.  52/96

2.  69/96

3.  71/96

4.  13/96

4