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Math 11 Chapter 7
Permutation, Combination and Probability
Test - 11
1.
a) b
b) c
c) a
d) d
2.
a) d
b) b
c) a
d) c
3.
a) b
b) a
c) d
d) c
4.
a) b
b) a
c) d
d) c
5.
a) d
b) b
c) c
d) a
6.
a) c
b) b
c) a
d) d
7.
a) c
b) a
c) b
d) d
8.
a) c
b) a
c) b
d) d
9.
How many different words can be made of the letters in the words ‘UNIVERSITY’?
a) 10! / 2
b) 5! / 2
c) 7! / 2
d) 8! / 2
10.
How many different arrangements may two persons seat them selves if there are only 8 seats in a hall
a) 56
b) 8! / 2
c) 8
d) 8!
11.
How many different words are possible of the letters in th word ‘PULLY’.
a) 120
b) 60
c) 720
d) 125
12.
If
n
P
5
= 210
n
P
2
then n =______
a) 15
b) 9
c) 14
d) 13
13.
In how may different ways can eight books be arranged on a shelf?
a) 8!
b) (c)
c) 8
d) 56
14.
The number of committees of seven person formed from a group of 10 persons will be _______
a) 101
b) 120
c) 71
d) 100
15.
a) a
b) d
c) b
d) c
16.
a) b
b) c
c) a
d) d
17.
Ab dice is thrown then the probability of getting an odd number is ______
a) 1/6
b) 5/6
c) 2/6
d) ½
18.
If A & B are mutually disjoint events then P (AUB) = ________
a) None
b) P (A) + P (B)
c) P (A) – P (B)
d) P (A) + P (B) – P (PnB)
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