ex 3.2 1Q class10 blue point
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TOTAL NUMBER OF STUDENTS=10
LET NUMBER OF BOYS = X
ACCORDING TO QUESTION:
NUMBER OF GIRLS= 4+X
ALSO ,
X+4+X=10
2X =10-4
X=6/2
X=3 , NUMBER OF BOYS = X = 3
NUMBER OF GIRLS = X+4 = 3+4=7
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Refer The attachment ⬆
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Hence , Number of Boys is 3 and girls is 7
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