35 children of a class drawn a map of 26 use blue colour and some use green colour,19 use both the colour find the no. Of children who use grren colour
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Total children = 35
No: of blue colour users = 26
No: who uses both colours = 19
No: of green colour users = x
35 = 26 + x - 19 [from the concept of venn diagram or set theory]
x = 28.
28 children use green colour.
No: of blue colour users = 26
No: who uses both colours = 19
No: of green colour users = x
35 = 26 + x - 19 [from the concept of venn diagram or set theory]
x = 28.
28 children use green colour.
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