A) 10
B) 9
C) 12
D) 15
Correct Answer: B
Solution :
[b] Pencil : (PI, P2 ,P3) and Eraser: (El, E2, E3) Possible combinations; (PI, El). (PI. E2). (PI. E3), (P2. El). (P2, E2), (P2. E3), (P3, El), (P3, E2), (P3, E3). or Three elements are in Pencil set and three elements are in eraser set.You need to login to perform this action.
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