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Let,the total number of student = x
40% are girls
So (100-40)%=60% are boys.
Number of boys = 600 (Given)
A.T.Q,
60% of x = 600
=> 60/100 × x = 600
=> x = 600 × 100/60
=> x = 1000.
•°• Total number of student = 1000
Now,
Number of girls = 40% of 1000
= 40/100 × 1000
= 400.
40% are girls
So (100-40)%=60% are boys.
Number of boys = 600 (Given)
A.T.Q,
60% of x = 600
=> 60/100 × x = 600
=> x = 600 × 100/60
=> x = 1000.
•°• Total number of student = 1000
Now,
Number of girls = 40% of 1000
= 40/100 × 1000
= 400.
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