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For items 11 - 14. A commuter travels in three destinations. He travels first in bus or
train, followed by van, jeep or mini bus, and finally in tricycle, bike or walking.

11. What is the probability experiment?
A. the destinations of the commuter
C. travelling in three-destination route
B. the mode of transportations
D. commuting in public vehicles

12. Which is NOT a possible outcome?
A. bus-van-bike
C. train-bus-walking
B. train-jeep-tricycle
D. bus-mini bus-walking

13. How many outcomes show bike?
A. 6
B. 8
C. 10
D. 12

14. In how many ways the commuter reaches his destination?
A. (3)(2)(3)
B. (2)(3)(3)
C. (2)(2)(3)
D. (2)(3)(2)

15.How many four-digit numbers can be formed from the sets {0,1,2,3,4,5,6,7,8,9; if zero
CANNOT be the first digit and repetitions are NOT allowed?
A. (10)(9)(8)(7)
C. (9)(9)(8)(7)
B. (9)(10)(10)(10)
D. (9)(10)(9)(8)