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Question 1:
The ratio of boys and girls in a school is 9:5.If the total number of students in the school is 1050.Then number of boys is
A. 655
B. 665
C. 675
Feedback Let the ratio be 'R'
Total number of students = 1050
Then,
9R + 5R = 1050
14R = 1050
=> R = 75
Hence, the number of boys = 9R = 9 x 75 = 675
D. 685

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