3. How many ways can a pair of dice land with a sum of 82
A 8
B. 5
C. 3
DO
For numbers 4-5. A conference room has 3 doors on the right side and 2 doors on the left side
4 How many ways can a person gets inside the room at one door, and goes out through
a different door?
AS B. 10
C. 15
D. 20
5 How many ways can a person goes in and out of the room through any door?
O 5
B. 15
C. 25
D. 35
For numbers 6-7 How many different 6-character password are possible using the letters A, E,
O, U, V, X&Y
8. If letters can be repeated, which FCP is the correct computation?
A 8*8*8*8*8* 8 C. 6*6*6*6*6*6
8*6*8*6*8* 6 D. 6
7 If no two letters are the same, which is the correct computation?
A 6*6*6*6*6*6
B. 8* 7 * 6*5* 4* 3
C. 89
D. 6°
For numbers 8-9. A new telephone company is opening lines at a far-flung barangay. They
invited the residents to choose a telephone number for their use. The
telephone number should start with 419-
and followed by
5 digits (from 0-9).
8. How many different slephone numbers can there be if digits could not be repeated?
A 10
B. 10*5 C. 10*10*10*10*10 D. 10*9*8*7*6
How many different telephone numbers can there be if digits can be repeated?​