1.
|
Tickets numbered 1 to 20 are mixed up and then a ticket is
drawn at random. What is the probability that the ticket drawn has a number
which is a multiple of 3 or 5?
|
|||||||||||||||
|
2.
|
A bag contains 2 red, 3 green and 2 blue balls. Two balls
are drawn at random. What is the probability that none of the balls drawn is
blue?
|
|||||||||||||||
|
3.
|
In a box, there are 8 red, 7 blue and 6 green balls. One
ball is picked up randomly. What is the probability that it is neither red
nor green?
|
|||||||||||||||
|
4.
|
What is the probability of getting a sum 9 from two throws
of a dice?
|
|||||||||||||||
|
5.
|
Three unbiased coins are tossed. What is the probability
of getting at most two heads?
|
|||||||||||||||
|
6.
|
In a class, there are 15 boys and 10 girls. Three students
are selected at random. The probability that 1 girl and 2 boys are selected,
is:
|
|||||||||||||||
|
7.
|
From a pack of 52 cards, two cards are drawn together at
random. What is the probability of both the cards being kings?
|
|||||||||||||||
|
8.
|
A bag contains 4 white, 5 red and 6 blue balls. Three
balls are drawn at random from the bag. The probability that all of them are
red, is:
|
|||||||||||||||
|
9.
|
Two cards are drawn together from a pack of 52 cards. The
probability that one is a spade and one is a heart, is:
|
|||||||||||||||
|
10.
|
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?
|
A.
|
1/5
|
|
B.
|
5/6
|
|
C.
|
4/5
|
|
D.
|
None
of these
|
11.
|
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.
|
A.
|
19/20
|
||
B.
|
17/20
|
||
C.
|
8/10
|
||
D.
|
21/40
|
||
12.
|
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?
|
||
A.
|
6/7
|
|
B.
|
1/8
|
|
C.
|
3/8
|
|
D.
|
5/9
|
13.
|
Set
A = {2,3,4,5}
Set B = {4,5,6,7,8} Two integers will be randomly selected from the sets above, one integer from Set A and one integer from Set B. What is the probability that the sum of the two integers will equal 9? |
A.
|
0.20
|
||
B.
|
0.25
|
||
C.
|
0.30
|
||
D.
|
0.33
|
||
14.
|
Out
of 17 applicants 8 boys and 9 girls. Two persons are to be selected for the
job. Find the probability that at least one of the selected persons will be a
girl.
|
||
A.
|
27/34
|
||
B.
|
25/34
|
||
C.
|
19/34
|
||
D.
|
21/34
|
||
15.
|
P
and Q sit in a ring arrangement with 10 persons. What is the probability that
P and Q will sit together?
|
||
A.
|
2/11
|
|
B.
|
3/11
|
|
C.
|
2/9
|
|
D.
|
4/9
|
16.
|
Find
the probability that in a random arrangement of the letters of the word
'UNIVERSITY' the two I's come together.
|
A.
|
1/7
|
|
B.
|
3/5
|
|
C.
|
5/11
|
|
D.
|
1/5
|
17.
A box contains 4 Black balls, 3 red balls and 5 green balls. 2 balls are drawn
from the box at random . What is the probability that both the balls are of the
same color.
A. 19/66
B. 21/66 C. 25/66 D. 27/66
18.
A committee of 4 is to be formed from among 4 girls and 5 boys. What is the
probability that the committee will have no. Of boys less than no. of girls.
A. 1/4
B. 1/5 C. 1/6 D. 1/7
19.
If the letter of word EQUATION be
arranged at random. What is the probability that there are six letters between
N and E.
A.
1/28 B. 1/29 C. 1/30
D. 1/32
20.
A three digit number is formed with the
digits 1,3,6,4 and 5 at random. What is the chance that the number formed is
divisible by 2.
A. 1/5 B. 2/5 C. 3/5 D. 4/5
