Question

# The graph below shows the number of people of different age groups staying in a hotel. Find the correct statement(s) among the options.

A
Total number of people in 0-20 age group is 10
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B
Total number of people in 0-20 age group is 5
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C
Maximum number of people are from age group of 21-30 years
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D
Total number of people staying in the hotel is 35
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Solution

## The correct options are A Total number of people in 0-20 age group is 10 C Maximum number of people are from age group of 21-30 yearsThe number of people in a class is proportional to area. Therefore, the class of 0-20 is twice the size of other classes. So, total frequency of 0-20 class is 5x2=10 Hence option A is correct and B is incorrect. The class of 21-30 age group has the highest frequency. Hence option C is correct. On summing up all the frequencies, it can be seen that D is incorrect ​

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