In the recent, education conference in US, out of 500 men, 800 women, 1000 children present inside the building premises, 30% of the men, 25% of the women and 35% of the children were Russian. Find the percentage of people who were not Russian?	Choose the correct choice from the following options.
A) 63.50%  B) 65.23%  C) 62.30%  D) 69.57%  E) 67.23%
Solution: Number of Russian men present there = 500*30/100= 
<gadget id="calculator">500*30/100</gadget>
<output>150</output>
150   Russian women= 800*25/100= 
<gadget id="calculator">800*25/100</gadget>
<output>200</output>
200   Russian children= 1000*35/100= 
<gadget id="calculator">1000*35/100</gadget>
<output>350</output>
350.   Total member present in education conference= 500+800+1000= 
<gadget id="calculator">500+800+1000</gadget>
<output>2_300</output>
2300   Total Russian= 150+200+350= 
<gadget id="calculator">150+200+350</gadget>
<output>700</output>
700   Hence, % of Russian present there= 700*100/2300 = 30.43%   % of people who were not Russian = 100-30.43= 
<gadget id="calculator">100-30.43</gadget>
<output>69.57</output>
69.57%.   Answer 69.57%
<result>D</result>
In the recent, education conference in US, out of 500 men, 800 women, 1000 children present inside the building premises, 30% of the men, 25% of the women and 35% of the children were Russian. Find the percentage of people who were not Russian?