If the mean of the following distribution is 24 , find the value of ' a '. Marks 0-10 10-20 20-30 30-40 40-50 Number of students 7 a 8 10 5

ICSE Class X Math 2018 Solved Paper - Question 23

Question : 23 of 32

Marks: +1, -0

If the mean of the following distribution is 24 , find the value of '

a

Marks	$0-10$	$10-20$	$20-30$	$30-40$	$40-50$
Number of students	7	$a$	8	10	5

Solution:

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