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JAMB Mathematics 2011 Paper

Question : 46

Total: 46

The bar chart above shows the distribution of SS2 students in a school.

Solution:

Concept:

The total number of students is the sum of the frequencies represented by the bars in the chart.

Explanation:

Read the value of each bar from the chart.

The bars show

45

60

30

, and

45

students for the four categories.

Add these values together:

45 + 60 + 30 + 45 = 180

Therefore, the total number of SS2 students is

180

Answer:

A. 180

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