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In a school, 391 boys and 323 girls ha...

In a school, 391 boys and 323 girls have been divided into the largest possible equal classes , so that each class of boys numbers the same as each class of girls. What is the number of classes ?

A

23 girls classes, 19 boys classes

B

23 boys classes, 19 girls classes

C

17 boys classes, 23 girls classes

D

23 boys classes, 17 girls classes

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The correct Answer is:
B
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