A man sells a horse for Rs.1000 and loses something, if he had sold it for Rs.1090, his gain would have been double the former loss. Find the cost price of the horse?  Choose the correct choice from the following:
A) 1080	B) 1040	C) 1070	D) 1030	E) 1060
CP = SP + 1CP = SP - g   1000 + x = 1090 - 2x   3x = 90 =&gt; x = 30   CP = 1000 + 30= 
<gadget id="calculator">1000 + 30</gadget>
<output>1_030</output>
1030   Answer: 1030
<result>D</result>
A man sells a horse for Rs.1000 and loses something, if he had sold it for Rs.1090, his gain would have been double the former loss. Find the cost price of the horse?