A special lottery is to be held to select a student who will live in the only deluxe room in a hostel. There are 100 Year-III, 150 Year-II and 200 Year-I students who applied. Each Year-III's name is placed in the lottery 3 times; each Year-II's name, 2 times and Year-I's name, 1 time. What is the probability that a Year-III's name will be chosen

1.  1/8

2.  2/9

3.  2/7

4.  3/8

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4
Correct Answer :

3/8


Explanation :
No Explanation available for this question

If the chance that a vessel arrives safely at a port is 9/10 then what is the chance that out of 5 vessels expected at least 4 will arrive safely

1.  

2.  

3.  

4.  

View Answer  
4
Correct Answer :


Explanation :
No Explanation available for this question

In a charity show tickets numbered consecutively from 101 through 350 are placed in a box. What is the probability that a ticket selected at random (blindly) will have a number with a hundredth digit of 2

1.  0.285

2.  0.40

3.  100/249

4.  99/250

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4
Correct Answer :

0.40


Explanation :
No Explanation available for this question

You toss a coin AND roll a die. What is the probability of getting a tail and a 4 on the die

1.  1/2

2.  1/6

3.  1/8

4.  1/12

View Answer  
4
Correct Answer :

1/12


Explanation :
No Explanation available for this question

Derek throws three dice in a special game. If it knows that he needs 15 or higher in this throw to win, then find the chance of his winning the game.

1.  5/54

2.  17/216

3.  13/216

4.  15/216

View Answer  
4
Correct Answer :

5/54


Explanation :
No Explanation available for this question

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

1.  28/143

2.  115/197

3.  28/197

4.  115/143

View Answer  
4
Correct Answer :

115/143


Explanation :
No Explanation available for this question

The probability of success of three students X, Y and Z in the one examination are 1/5, 1/4 and 1/3 respectively. Find the probability of success of at least two.

1.  1/6

2.  2/5

3.  3/4

4.  3/5

View Answer  
4
Correct Answer :

1/6


Explanation :
No Explanation available for this question

Four cards are drawn at random from a pack of 52 plating cards. Find the probability of getting all the four cards of the same suit

1.  13/270725

2.  91/190

3.  178/20825

4.  198/20825

View Answer  
4
Correct Answer :

198/20825


Explanation :
No Explanation available for this question

A card is drawn from a pack of 52 cards. The card is drawn at random. What is the probability that it is neither a spade nor a Jack

1.  4/13

2.  2/13

3.  6/13

4.  9/13

View Answer  
4
Correct Answer :

9/13


Explanation :
No Explanation available for this question

There are four hotels in a town. If 3 men check into the hotels in a day then what is the probability that each checks into a different hotel

1.  6/7

2.  1/8

3.  3/8

4.  5/9

View Answer  
4
Correct Answer :

3/8


Explanation :
No Explanation available for this question
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