This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Math 11 Chapter 7
Permutation, Combination and Probability
Test - 5
1.
The first event can occur in p different ways. After first event has occurred, the second event can occur in q different ways. The number of ways that two events can occur is ___________.
a) np
b) pr
c) rn
d) pq
2.
A permutation of n different objects is an arrangement of the?
a) letters
b) none of these
c) objects
d) figures
3.
A number of three digits from the digits 0,1,2,3----9 can be formed in __________ ways when digits can be repeated.
a) 700
b) 900
c) 800
d) 600
4.
Five digit numbers from the digits 1, 2, 4, 6, 8 can be formed in ________ ways if the digits 2 and 8 are next to each other (when no digit is repeated).
a) 36
b) 24
c) 54
d) 48
5.
n-1
C
n
+
n-1
C
r-1
= _____________.
a) n-1
b) n
c) p
d) n+1
6.
If
n
C
12
=
n
C
6
then n = _____________.
a) 24
b) 16
c) 12
d) 18
7.
Number of arrangement of 3 books on English and 4 books in Urdu for placing on a shelf is equal to _________ when the books on the same subject are kept together.
a) 266
b) 298
c) 288
d) 244
8.
n.
n-1
P
r-1
=_____________.
a) p-1
b) n-1
c) n
n-1
d) n
This is more feedback!
This is the feedback!
