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Then number of all possible matrices of order 3 X 3 with each entry 0 and 1 is : (A) 27 (B) 18 (C) 81 (D) 51 The correct answer is (D) But I don't understand the question and the answer as well!! Can anyone please explain me this question and how to get and answer? :)

Then number of all possible matrices of order 3 X 3 with each entry 0 and 1 is :

(A) 27
(B) 18
(C) 81
(D) 51
The correct answer is (D)
But I don't understand the question and the answer as well!!
Can anyone please explain me this question and how to get and answer? :)

Grade:11

3 Answers

Aman Bansal
592 Points
10 years ago

Dear Chanchal,

there are nine entries possible...

every entry has two choices ..either 0 or 1,...

so no, of ways we can make up such a matrix..is 2*2*2...nine times...or simply ..2^9...

Best Of luck

Plz Approve the answer...!!!!

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Aman Bansal

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MUNUKUTI VENKATARAMANA
18 Points
8 years ago

Then number of all possible matrices of order 3 X 3 with each entry 0 and 1 is :

Nandhini
11 Points
5 years ago
your (D) option is actually 512 and not 51 at Mr.Chanchal
so the answer follows like this
 
 

there are nine entries possible...

 

every entry has two choices ..either 0 or 1,...

 

so no, of ways we can make up such a matrix..is 2*2*2...nine times...or simply ..2^9...

 

Best Of luck

 

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