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प्रश्न
In a school of 1400 students, there are 420 girls. The percentage of boys in the school is _______
उत्तर
70
Explanation;
Hint:
Given total number of students in school = 1400
Number of girls in school = 420
∴ Number of boys in school = 1400 – 420 = 980
% of boys in school = `"Number of boys"/"Total number of students" xx 100`
= `980/1400 xx 100`
= `980/14`
= 70
% of boys = 70%
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