Class 8 students did a survey on birthdays. This chart shows the number of people with birthdays in each three months of the year. A) From the chart, how many people have a birthday before July? B) How many people have a birthday in December if nobody has a birthday in October and six people have a birthday in November. [3 MARKS]

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Solution

Concept: 1 Mark
Application: 1 Mark each

A) People with birthday before July = 12 in Jan-Feb-March + 7 in April May June = 19

B) Total number of people with birthday in the months of Oct, Nov and Dec = 14

In which 0 have a birthday in October and 6 in Nov.

So people with birthday in Dec = 14 – 6 =8.

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Similar questions

Class 8 students did a survey on birthdays. This chart shows the number of people whose birthdays fall on different months of the year.

A) How many people have their birthdays before July?

B) How many people have their birthdays in December if nobody has their birthdays in October and six people have their birthdays in November.

Class $6$ did a survey of birthday dates. This chart shows the number of students with birthdays in each three months of the year.

If nobody has a birthday in October. Six people have a birthday in November. How many people have a birthday in December?

Class $6$ did a survey of birthday dates. This chart shows the number of students with birthdays in each three months of the year.

From the chart, how many people have birthday before july?

State true or false

37 people have their birthdays before October.

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