In the recent, science conference in New York, out of 400 men, 1100 women, 300 children present inside the building premises, 40% of the men, 30% of the women and 20% of the children were Indians. Find the percentage of people who were Indian?  Choose the correct choice from the following choices
A) 37.22%  B) 28.66%  C) 34.55%  D) 33.55%  E) 30.55%
Solution: Number of Indians men present there = 400*40/100= 
<gadget id="calculator">400*40/100</gadget>
<output>160</output>
160   Indian women= 1100*30/100= 
<gadget id="calculator">1100*30/100</gadget>
<output>330</output>
330   Indian children= 300*20/100= 
<gadget id="calculator">300*20/100</gadget>
<output>60</output>
60.   Total member present in science conference= 400+1100+300= 
<gadget id="calculator">400+1100+300</gadget>
<output>1_800</output>
1800   Total Indian= 160+330+60= 
<gadget id="calculator">160+330+60</gadget>
<output>550</output>
550   Hence, % of Indian present there= 550*100/1800 = 30.55%   Answer 30.55%
<result>E</result>
In the recent, science conference in New York, out of 400 men, 1100 women, 300 children present inside the building premises, 40% of the men, 30% of the women and 20% of the children were Indians. Find the percentage of people who were Indian?