MCQ
The class mark of the class $100-200$ is:
- A$100$
- ✓$110$
- C$115$
- D$120$
✓
Answer
Correct option: B.
$110$
Class mark $=\frac{\text{Upper}\ \text{limit}+\text{Lower}\ \text{limit}}{2}$
$=\frac{120+100}{2}$
$=110$
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