In a multiple-choice question paper of 15 questions, the answers can be A, B, C or D. The number of different ways of answering the question paper are ________(a) 65536 x 4^7(b) 194536 x 4^5(c) 23650 x 4^9(d) 11287435I have been asked this question in an interview for job.This intriguing question comes from Fundamental Principle of Counting in division Counting of Discrete Mathematics

In a multiple-choice question paper of 15 questions, the answers can b

1.	In a multiple-choice question paper of 15 questions, the answers can be A, B, C or D. The number of different ways of answering the question paper are ________(a) 65536 x 4^7(b) 194536 x 4^5(c) 23650 x 4^9(d) 11287435I have been asked this question in an interview for job.This intriguing question comes from Fundamental Principle of Counting in division Counting of Discrete Mathematics
Answer» CORRECT option is (a) 65536 x 4^7 The explanation is: There are 4^15 = 65536 x 4^7 DIFFERENT ways of ANSWERING the exam PAPER of 15 MCQs.

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