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  1. The total number of students in school is 2140. If the number of girls in the school is 1200, then what is the ratio of the total number of boy to the total number of girls in the school ?
    1. 26 : 25
    2. 47 : 60
    3. 18 : 13
    4. 31 : 79
Correct Option: B

Number of boy = ( 2140 - 1200 ) = 940
∴ Boys : Girls = 940 : 1200 = 47 : 60


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