If the mean of the following frequency distribution is 188, find the
missing frequencies
x and y, if the sum of all fre

If the mean of the following frequency distribution is 188, find the
missing frequencies
x and y, if the sum of all frequencies is 100.
Class
0-80
80–160
160-240
240-320
320-400
20
25
x
y
10
[CBSE 2019]​

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