A school has two sections A and B of class 12. The number of students opting for Science, Commerce, and Arts in section A is represented by row 1: [25, 20, 15] and in section B by row 2: [20, 30, 10]. If these are arranged in a 2×3 matrix, what is the sum of all elements?

A school has two sections A and B of class 12. The number of students opting for Science, Commerce, and Arts in section A is represented by row 1: [25, 20, 15] and in section B by row 2: [20, 30, 10]. If these are arranged in a 2×3 matrix, what is the sum of all elements?

• A. 120
• B. 110
• C. 100
• D. 130

Answer: A) 120

Explanation: Matrix = [[25, 20, 15], [20, 30, 10]]. Sum = 25+20+15+20+30+10 = 120.