A) 50
B) 55
C) 40
D) 45
Correct Answer: A
Solution :
Let, the no. of persons = x Total amount = Rs. 6500 Each gets \[=\frac{6500}{x}\] Now, new no. of persons \[=(x+15)\] Now, Each get \[=(x+15)\] According to the question, \[\frac{6500}{x}-\frac{6500}{x+15}=30\] \[\frac{6500x+97500-6500x}{x\left( x+15 \right)}=30\] \[{{x}^{2}}+15x-3250=0\] \[{{x}^{2}}+65x-50x-3250=0\] \[\left( x+65 \right)\,\,\left( x-50 \right)=0\] \[x=-65,\,50\] So, Original no. of persons \[=\]You need to login to perform this action.
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