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Let the number of girls be 2x and that of boys be x.
Total number of students=12
=>2x+x=12
=3x=12
=x=12/3
x=4
So, number of boys = 4
Number of girls= 2×4=8
(8+4=12)
Total number of students=12
=>2x+x=12
=3x=12
=x=12/3
x=4
So, number of boys = 4
Number of girls= 2×4=8
(8+4=12)
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