The average age of 14 friends is 14 year

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Target Exam

CUET

Subject

General Test

Chapter

General Ability

Topic

Age Problems

Question:

The average age of 14 friends is 14 years. If the age of 15th friend is added, then the average remains same. What is the age of the 15th friend?

Options:

15 years

18 years

14 years

12 years

Correct Answer:

14 years

Explanation:

ATQ,

Sum of ages of 14 friends = 14 x 14 = 196

Sum of ages of 15 friends = 14 x 15 = 210

Age of 15th friend = 210 - 196 = 14 years