A reduction of 10% in the price of salt enables a lady to obtain 10kgs more for Rs.100, find the original price per kg?
Pick
A) 1.1  B) 2.2  C) 2.5  D) 2.1  E) 2.9
100*(10/100)= 
<gadget id="calculator">100*(10/100)</gadget>
<output>10</output>
10 --- 10   ? --- 1=&gt; Rs.1   100 --- 90   ? --- 1 =&gt; Rs.1.1   1.1nswer: 1.1
<result>A</result>
A reduction of 10% in the price of salt enables a lady to obtain 10kgs more for Rs.100, find the original price per kg?