By selling an article at Rs.600, a profit of 30% is made. Find its cost price?  Choose the correct choice from the following answers.
A) 400	B) 267	C) 287	D) 480	E) 811
SP = 600   CP = (SP)*[100/(100+P)]   = 600 * [100/(100+50)]   = 600 * [100/150] = Rs.400   400nswer: 400
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By selling an article at Rs.600, a profit of 30% is made. Find its cost price?