In the following figure, rectangle represents Journalists, circle represents Illustrators, triangle represents Poets and square represents Americans. Which set of letters represents Americans who are not Illustrators ?
The average revenues of 9 consecutive years of a company is Rs 65 lakhs. If the average of first 5 years is Rs 60 lakhs and that of last 5 years is Rs 72 lakhs, find the revenue for the 5th year.