Instead of multiplying a number by 5, the number is divided by 10. What is the percentage of error obtained ?
Options
A) 96%  B) 98%  C) 95%  D) 97%  E) 96%
let the number be x   the right number is 5x   the wrong number is x/10   error is(5x-x/10)=49x/10   percentage of error is((49x/10)/5x)*100=98%   ANSWER:98% ((49 /10)/5 )*100= 
<gadget id="calculator"> ((49 /10)/5 )*100</gadget>
<output>98</output>
98%   ANSWER:98%
<result>B</result>
Instead of multiplying a number by 5, the number is divided by 10. What is the percentage of error obtained ?