Class Mark Calculation for 50-60

What is the Class Mark for the class interval 50–60?

Correct Answer Explanation

Class Mark for 50–60 = (50 + 60) / 2 = 110 / 2 = 55

Class Mark Table (Exam Ready):

• 0–10 → Class Mark = 5
• 10–20 → Class Mark = 15
• 20–30 → Class Mark = 25
• 30–40 → Class Mark = 35
• 40–50 → Class Mark = 45
• 50–60 → Class Mark = 55
• 60–70 → Class Mark = 65
• 70–80 → Class Mark = 75
• 80–90 → Class Mark = 85
• 90–100 → Class Mark = 95