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If a matrix has 24 elements and 6 columns, how many rows does it have?

Answer and explanation

Correct answer: 4

Total elements of a matrix = rows × columns. Given total elements 24 and columns 6, we have \(24 = m \times 6\), so rows \(m = 24/6 = 4\). Option B (6) confuses columns with rows and is therefore incorrect. Exam tip: To find rows, divide total number of elements by number of columns (rows = elements ÷ columns).

Related tags

MatricesElementsRowsColumnsArrayOrder Of A MatrixMatrixMathematics

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