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Byju's Answer
Standard IX
Mathematics
Simple Bar Diagram and Joint Bar Diagram
The histogram...
Question
The histogram gives the information about the number of literate males along with their age. Below the age of 30, how many males are literate?
900
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Solution
The correct option is
A
900
Below the age of 30, the following are the frequencies in the different age groups:
10-20 years: 300 literate males
20-30 years: 600 literate males
Therefore, the required number is 300+600 = 900.
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Q.
The histogram given below shows the number of literate females in the age group of 10 to 40 years. Study the histogram carefully and answer the question that follow:
(i) Write the classes, assuming that all the classes are of equal width.
(ii) What is the class width?
(iii) In which age group are the literate females the least?
(iv) In which age group is the number of literate females the highest?
Hint. Number of class intervals of equal width = 6 (given), class width =
40
-
10
6
=
5
.