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Statistics — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsStatistics1 Mark
MCQ
The class-mark of the class 130-150 is:
  • A
    135
  • B
    145
  • C
    140
  • D
    130
✓

Answer

  1. 140

Solution:

Class mark $=\frac{130+150}{2}=\frac{280}{2}=140$

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