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The order of a matrix with 3 rows and 4 columns is
A4 × 3
B7
C3 × 4
D12
Answer & Solution
Correct answer: C. 3 × 4
1. The order of a matrix is written rows × columns.
2. With 3 rows and 4 columns the order is 3 × 4.
3. It has 3 × 4 = 12 elements in total.
_Source: Maharashtra Balbharati Std XII Mathematics Part 1, Ch 2 "Matrices" §2.2_
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