M 1313 Popper number 12
1. U is the universal has 125. Let n( ) ) = 63,
n( E∩ F ) = 18, and n( E∩ ) = 52. Find n( E∪
A. 125
B. 81
C. 115
).
D. Need more information
2. Seven people are waiting at the bank at the same time. In
how many ways can these people line up?
A. 7
B. 1
C. 5040
D. 720
3. In how many ways can a president, a vice-president and a
secretary be chosen from 20 members of a club assuming
that one person cannot hold more than one position?
a) 6,840
b) 1,140
c) 1,150 d) 6,830
4. How many 3 letter code words from the 8 letters available
can be made if no letters can be repeated?
A. 288 B. 294 C. 336 D. 512
5. A bag contains 16 yellow marbles. In how many ways can 4
yellow marbles be chosen?
a) 64
b) 43,680
c) 24
d) 1,820