Question 1
In matrix:
1 2 3
4 5 6
7 8 9
What is the sum of main diagonal?
The sum of main diagonal: 1 + 5 + 9 = 15
Excel in competitive exams with this skill builder ⚡ worksheet on Number Matrix. Worksheet 3 of 10 contains 20 beginner-level problems. Target your step-by-step problem solving skills while practicing number matrix practice, number matrix for competitive exams, and how to solve number matrix.