A single discount equivalent to a series of 30%, 20%, and 10% is
Choose one
A) 50%
B) 49.6%
C) 49.4%
D) 51%
E) 52%
Let the marked price be Rs. 100   Then S.P = 90% of 80% of 70% of 100   = ( 90/100*80/100*70/100*100 )= 
<gadget id="calculator">( 90/100*80/100*70/100*100 )</gadget>
<output>252/5 = around 50.4</output>
50.4   Single discount= ( 100- 50.4 )= 
<gadget id="calculator">( 100- 50.4 )</gadget>
<output>49.6</output>
49.6%   ANSWER:49.6%
<result>B</result>
A single discount equivalent to a series of 30%, 20%, and 10% is