A typist uses a sheet measuring 20cm by 30 cm lenghtwise. If a margin of 2 cm is left on each side and a 3 cm margin on the top and bottom, then what is the percentage of page used by the typist?	Select the correct option.
A) 62 %  B) 63 %  C) 64 %  D) 65 %  E) 66 %
Area of the sheet=(20*30)cm2= 600 cm2   Area used for typing=([20-4]*[30-6]) cm2 = 384 cm2   Therefore Required Percentage =(384/600)*100= 
<gadget id="calculator">(384/600)*100</gadget>
<output>64</output>
64%   Answer 64 %
<result>C</result>
A typist uses a sheet measuring 20cm by 30 cm lenghtwise. If a margin of 2 cm is left on each side and a 3 cm margin on the top and bottom, then what is the percentage of page used by the typist?