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In a school 391 boys and 323 girls have been divided into the largest possible equal classes. So that there are equal number of boys and girls in each class. What is the number of classes ?
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- 23 girls classes, 19 boys classes
- 23 boys classes, 19 girls classes
- 17 boys classes, 23 girls classes
- 23 boys classes, 17 girls classes
Correct Option: B
The largest possible number of persons in a class is given by the H.C.F. of 391 and 323 i,e. 17
∴ No of classes of boys = 391/17 = 23 and
No. of classes of girls = 323 / 17 = 19.
