The average age of a group of 10 students was 18. The average age increased by 1 year when two new students joined the group. What is the average age of the two new students who joined the group?
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Answer:
24 Year
Step-by-step explanation:
Total age of 10 students = 10*18 = 180 Years
Total age of 10+2 = 12 Students = 12 * (18+1)
= 12 * 19 = 228 Years
Age of two students = 228 - 180 = 48 years
Average age of two = 48/2 = 24 Year
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