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2016 TIMC keystage3-IWYMIC individual Question 10

xIMC · 2016 TIMC keystage3-IWYMIC individual

Question 10

When a person with IQ 104 moved from village A to village B, the average IQ of both villages increased by 1. The sum of the population of the two villages is a prime number and the sum of the IQ of all people in both villages is 6102. Find the sum of the IQ of the people of village B including the new arrival.