In an examination there are three multiple choice questions and each question has 4 choices.

Question

In an examination there are three multiple choice questions and each question has 4 choices.

In an examination there are three multiple choice questions and each question has 4 choices. Number of ways in which a student can fail to get all answer correct is

(A) 11

(B) 12

(C) 27

(D) 63

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

The correct choice is (D).

There are three multiple choice question, each has four possible answers. Therefore, the total number of possible answers will be 4 × 4 × 4 = 64. Out of these possible answer only one will be correct and hence the number of ways in which a student can fail to get correct answer is 64 – 1 = 63.