A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?

A question paper consists of five problems, each problem having three

1.	A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?
A.	63
B.	511
C.	1023
D.	15
Answer» D. 15

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A question paper consists of five problems, each problem having three internal choices. In how many ways can a candidate attempt one or more problems?

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