# Four different objects 1,2,3,4 are distributed at random in four places marked 1,2,3,4. What is the probability that none of the objects occupy the place corresponding to its number

1.  17/24

2.  3/8

3.  1/2

4.  5/8

4

1/2

Explanation :
No Explanation available for this question

# There are 2 positive integers x and y. What is the probability that x+y is odd

1.  1/4

2.  1/3

3.  1/2

4.  1/5

4

1/2

Explanation :
No Explanation available for this question

# Abhishek has 9 pairs of dark blue socks and 9 pairs of black socks. He keeps them all in the same bag. If he picks out three socks at random, then what is the probability that he will get a matching pair

1.  1

2.

3.

4.  None of these

4

1

Explanation :
No Explanation available for this question

# The probability that a arrow fired from a point will hit the target is 1/4. Three such arrows are fired simultaneously towards the target from that very point. What is the probability that the target will be hit

1.  19/64

2.  23/64

3.  23/67

4.  37/64

4

37/64

Explanation :
No Explanation available for this question

# A and B play a game where each is asked to select a number from 1 to 5. If the two numbers match, both of them win a prize. The probability that they will not win a prize in a single trial is:

1.  1/25

2.  24/25

3.  2/25

4.  23/25

4

24/25

Explanation :
No Explanation available for this question

# A 5-digit number is formed by the digits 1,2,3,4, and 5 without repetition. What is the probability that the number formed is a multiple of 4

1.  1/2

2.  1/3

3.  1/4

4.  1/5

4

1/5

Explanation :
No Explanation available for this question

# A box contains 9 red toys, 7 green toys and 9 blue toys. Each ball is of a different size. The probability that the red ball being selected is the smallest red toy, is:

1.  1/9

2.  2/21

3.  1/25

4.  6/25

4

1/9

Explanation :
No Explanation available for this question

# If five dice are thrown simultaneously, what is the probability of getting the sum as seven

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# There are three events A, B and C, one of which must and only can happen. If the odds are 8:3 against A, 5:2 against B, the odds against C must be:

1.  13:7

2.  3:2

3.  43:34

4.  43:77

4

43:34

Explanation :
No Explanation available for this question

# If the probability that X will live 15 year is 7/8 and that Y will live 15 years is 9/10, then what is the probability that both will live after 15 years

1.  1/20

2.  63/80

3.  1/5

4.  None of these

4