Directions: Find your way out of the Combination Maze by solving the given expressions and following the correct path by choosing the correct answer inside the arrows. Start Here! Find n in C(m. 2) = 15 What is If 8Cr = 70, what is r? If 4Cr = 4 then r- 120 24 30 Find r in Find the In ncs = 210, the value of nis What is n in nc8 = 45? 14 C(10,r) = 10 value of n in nC10 = 66 | 24 L | 12 7 / 10 10 What is the Evaluate value of r in 5 C(9.r) = 126 C() Find C(5,2). 10 FINISH ELLE Foun
Directions: Find your way out of the Combination Maze by solving the given expressions and following the correct path by choosing the correct answer inside the arrows. Start Here! Find n in C(m. 2) = 15 What is If 8Cr = 70, what is r? If 4Cr = 4 then r- 120 24 30 Find r in Find the In ncs = 210, the value of nis What is n in nc8 = 45? 14 C(10,r) = 10 value of n in nC10 = 66 | 24 L | 12 7 / 10 10 What is the Evaluate value of r in 5 C(9.r) = 126 C() Find C(5,2). 10 FINISH ELLE Foun
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question

Transcribed Image Text:CHECKING YOUR UNDERSTANDING
Directions: Find your way out of the Combination Maze by solving the given expressions and
following the correct path by choosing the correct answer inside the arrows.
Start Here!
Find n in
What is
If 8Cr = 70,
If 4Cr = 4
then r-
C(n. 2) = 15
what is r?
3
120
| 24
30
Find r in
Find the
In ncs = 210,
the value of
nis
What is n in
7 nC8 = 45?
9
C(10,r) =
14
value of n in
10
nC10 = 66
12 7/ 10
10
24
What is the
Evaluate
Find C(5,2). 10
value of r in 5
FINISH
8
C(9, r) = 126
Uno:
ELLE

Transcribed Image Text:POST-TEST
DIRECTIONS: Read the questions carefully. Choose the letter of the correct answer.
1. It refers to a selection of robject from n object in which order is not important.
C. Event
D. Probability
A. Permutation
B. Combination
2. Which of the following does not illustrate a combination?
A. Selecting 3 people to form a team.
B. Picking a number in a BINGO game.
C. Selecting 5 posters to hang out of 10 different posters.
D. Entering telephone password.
3. The number of combinations of n objects taken rat a time is denoted by
C. C(n,r) = 4-r)t
FED
D. C(n,r)
n!
A. C(n,r)
r!(n-r)!
B. C(n,r) =-
n!
(n-r)!
4. Evaluate-
15!
5:(15-5)
C. 5 127
D. 5 225
A. 3 003
B. 4 003
5. Which of the following symbols illustrate
a time?
the combination of n object taken rat
C. nCr
D. All of the choices
A. C(n,r)
В.с ()
6. C(n,n) =
A.O
В. 1
C.r
D. Cannot be determined
7. What is 9C4?
C. 170
D. 220
A. 120
B. 126
8. If C(n, 5) = 792, find the value of n.
A. 8
с. 12
В. 10
D. 14
9. If C(8,r) = 70, what is the value of ?
A. 4
C.6
В. 5
D. 7
EXCE
ION
CR Uno
ALEGAC
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