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Question

# In a survey of 100 families of a village, the number of members in each family was recorded, as shown by the bar graph given below: Read the bar graph carefully and answer the following questions. (I) What does the bar graph show? (il) How many families have less than fivemembers? (Iii) How many families have more than three members? (iv) How many families have two children?

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Solution

## (i) The given bar graph shows the number of members in 100 families of a village. (ii) Number of families having 2 members = 5 Number of families having 3 members = 30 Number of families having 4 members = 55 ∴Total number of families haing less than five members = 5 + 30 + 55 = 90 (iii) Number of families having 4 members = 55 Number of families having 5 members = 10 ∴Total number of families haing more than three members = 55 + 10 = 65 (iv) Number of families having 2 children = Number of families having 4 members = 55 = (60+35+75+50+60)5 = 2805= 56

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