Question
Download Solution PDFThe sum of the class marks of the classes 90-120 and 120-150 is:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFFormula used:
Class marks = (Lower limit + Upper limit)/2
Calculation:
The sum of the class marks of 90-120 and 120-150 = (90 + 120)/2 + (120 + 150)/2
⇒ 210/2 + 270/2 = 105 + 135 = 240
∴ The required result = 240
Last updated on Jul 5, 2025
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