Question : Directions: Study the following histogram and answer the questions.
The number of persons in the age group 20-30 years is:
Option 1: 475
Option 2: 400
Option 3: 300
Option 4: 700
Correct Answer: 400
Solution :
Person in the class interval 20–25 = 250
Person in the class interval 25–30 = 150
Thus, the number of persons in the age group 20–30 = 250 + 150 = 400
Hence, the correct answer is 400.
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