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MATHEMATICS

JAMB 2000 - Question 50

Mathematics 2000 JAMB Past Questions - Question 50: The table above shows the frequency distribution of the ages(in years) of pupils in a certain secondary school.what percentage of the total number of pupills is over 15 years but less than 21 years?

The table above shows the frequency distribution of the ages(in years) of pupils in a certain secondary school.what percentage of the total number of pupills is over 15 years but less than 21 years?

A: 20

B: 80

C: 50

D: 60

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Correct Answer

Explanation

Total number of pupils in a certain secondary school= 50; number of pupils over 15yrs but less than 21yrs = 15+10 = 25% total number of students over 15yrs but less than 21yrs = 25/50 x100% = 50%