Aptitude - Area - Discussion

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Q.

From a group of boys and girls 15 girls leave. There are then left 2 boys for each girl. After this, 45 boys leave. There are then 5 girls for each boy. Find the number of girls in the beginning.  .                          
A. 40 B. 60
C. 70 D. 80

Answer: Option A
Explaination:

 


Discussion

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