A) 45
B) 50
C) 55
D) 48
Correct Answer: B
Solution :
Let there be originally x persons then\[\frac{6500}{x}=\frac{6500}{x+15}+30\] \[\Rightarrow \] \[\frac{6500}{x}=\frac{6500+30x+450}{x+15}\] or \[{{x}^{2}}+15x-3250=0\] \[\Rightarrow \] \[x=50\]You need to login to perform this action.
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