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Question

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.


A

A) 19; B) 8

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B

A) 12; B) 8

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C

A) 19; B) 14

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D

A) 12; B) 14

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Solution

The correct option is A

A) 19; B) 8


A) Number of people whose birthdays fall before July = 12 in Jan-Feb-March + 7 in April-May-June = 19

B) Number of people whose birthdays fall in the months of Oct, Nov and Dec = 14

Number of people whose birthdays fall in Dec = 14 – 6 =8.


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