WorksheetsCombination
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
It is a selection of items from a set that has distinct members, such that the order of selection does not matter.
a)
Permutation
b)
Combination
2.
Picking 6 balls from a basket of 12 balls
a)
Permutation
b)
Combination
3.
Determining the top three winners in a Science Quiz Bee.
a)
Permutation
b)
Combination
4.
Formula for solving permutation?
a)
(n−r)!n!
b)
(n−r)!r!n!
5.
Formula for solving combination?
a)
(n−r)!n!
b)
(n−r)!r!n!
6.
What will be the best illustration for the possible outcome if the letters B,O,Y are taken two at a time w/o repetition and without considering the order?
a)
BO OY BY
OB YO YB
b)
BO OY BY
7.
Evaluate 10C2.
a)
45
b)
54
8.
Evaluate 4C2.
a)
6
b)
9
9.
Evaluate 4C2+5C2.
a)
61
b)
16
10.
In a 10-iten Mathematics problem-solving test, how any ways can you select 5 problems to solve?
a)
252
b)
522
100 %
