Two dice are thrown simultaneously. Find the probability of getting a multiple of 2 on one dice and multiple of 3 on the other dice.

1.  5/12

2.  11/36

3.  5/36

4.  13/36

View Answer  
4
Correct Answer :

11/36


Explanation :
No Explanation available for this question

In a race where 12 cars are running, the chance that car X will win is 1/6, that Y will win is 1/10 and that Z will win is 1/8. Assuming that a dead heat is impossible. Find the chance that one of them will win

1.  47/120

2.  1/480

3.  1/160

4.  1/240

View Answer  
4
Correct Answer :

47/120


Explanation :
No Explanation available for this question

What is the probability of getting at least one six in a single throw of three unbiased dice

1.  1/6

2.  125/216

3.  1/36

4.  81/216

5.  91/216

View Answer  
5
Correct Answer :

91/216


Explanation :
No Explanation available for this question

A bag contains 3 white balls and 2 black balls. Another bag contains 2 white and 4 black balls. A bag and a ball are picked random. The probability that the ball will be white is:

1.  7/11

2.  7/30

3.  5/11

4.  7/15

View Answer  
4
Correct Answer :

7/15


Explanation :
No Explanation available for this question

The probability that a student is not a swimmer is 1/5. Then the probability that one of the five students, four are swimmers is:

1.  5C4 (4/5)2 (1/5)

2.  (4/5)4 (1/5)

3.  5C4 (1/5) (4/5)4

4.  None of these

View Answer  
4
Correct Answer :

5C4 (1/5) (4/5)4


Explanation :
No Explanation available for this question

A man bets on number 16 on a roulette wheel 14 times and losses each time. On the 15th span he does a quick calculation and finds out that the number 12 had appeared twice in the 14 spans and is therefore, unable to decide whether to bet on 16 or 12 in the 15thspan. Which will give him the best chance and what are the odds of winning on the bet that he takes (Roulette has numbers 1 to 36).

1.  16; 22 : 14

2.  12; 72 : 1

3.  12; 7 : 1

4.  Either; 35 : 1

View Answer  
4
Correct Answer :

Either; 35 : 1


Explanation :
No Explanation available for this question

I forgot the last digit of a 7-digit telephone number. If 1 randomly dial the final 3 digits after correctly dialling the first four, then what is the chance of dialling the correct number

1.  1/1001

2.  1/1000

3.  1/999

4.  1/990

View Answer  
4
Correct Answer :

1/1000


Explanation :
No Explanation available for this question

One hundred identical coins each with probability 'p' showing up heads and tossed. If 0 < p < 1 and the probability of heads showing on 50 coins is equal to that of heads on 51 coins, then the value of p is:

1.  1/2

2.  49/101

3.  50/101

4.  51/101

View Answer  
4
Correct Answer :

51/101


Explanation :
No Explanation available for this question

What is the probability that a two digit number selected at random will be a multiple of '3' and not a multiple of '5'

1.  2/15

2.  4/15

3.  1/15

4.  4/90

View Answer  
4
Correct Answer :

4/15


Explanation :
No Explanation available for this question

In his wardrobe, Dexter has three trousers. One of them is black the second is blue, and the third brown. In his wardrobe, he also has four shirts. One of them is black and the other 3 are white. He opens his wardrobe in the dark and picks out one shirt and one trouser pair without examining the colour. What is the likelihood that neither the shirt nor the trouser is black

1.  1/12

2.  1/6

3.  1/4

4.  1/2

View Answer  
4
Correct Answer :

1/2


Explanation :
No Explanation available for this question
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