- A40-60
- B20-40
- CBoth 20-40 and 40-60
- DCannot be placed
Step-by-Step Solution
By convention (lower limit included, upper limit excluded), 40 belongs to 40-60, not 20-40.
Answer: A) 40-60
The marks of a school are grouped as 0-20, 20-40, 40-60, 60-80, 80-100.
A student scored 40 marks.
In which class interval is this student counted, given the usual convention?
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