A) 500
B) 300
C) 400
D) 200
Correct Answer: D
Solution :
(d): \[\frac{60}{100}\times K=\frac{75}{100}\times K-30\] \[\Rightarrow 30=\left( \frac{75-60}{100} \right)\times K\] \[\Rightarrow \frac{15K}{100}=30\Rightarrow K=200.\]You need to login to perform this action.
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