Latest exam Aptitude Question SOLUTION: There are 12 yes or no questions. How many ways can these be answered? A. 4096 B. 2048 C. 1024 D. 144

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(#M40020694) EXAM Logical Reasoning question permutation Keep an EYE

There are 12 yes or no questions. How many ways can these be answered?

A.

4096

B.

2048

C.

1024

D.

144

Asked In exam MAN (10 years ago)

Unsolved Read Solution (4)

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Read Solution (4) :

Narendra Gopi  (8 years ago)

This should be answered in 2^10 ways so answer is 1024....

Is this solution Helpfull? Yes (2) | No (2)  

Anilsai Ravula  (7 years ago)

2^12=4096

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chaithanya  (6 years ago)

Each question can be answered yes or no, which means there are two possibilities for each question. Assuming the answer to each question is independent, which is reasonable to assume, then you compute:
2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2.
That is best shown as
2^12
which equals 4096.

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nikhil  (7 years ago)

Option(A) is correct

Each of the questions can be answered in 22 ways (yes or no).

Therefore, no. of ways of answering 1212 questions,

=212=212

=4096 ways.



R

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