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Solution


Q.

If A is a matrix of order 3 × 4, then each row of A has:
1 3 elements  
2 12 elements  
3 7 elements  
4 4 elements  

Ans.

(4)

Ans.    4 elements

Explanation:

Since 3 × 4 signifies that there are 3 rows and 4 columns, each row has 4 elements.