Average · UPSC CDS/OTA · Question 18 of 30

Average – Question 18

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Topic
Average
Subject
Mathematics
Difficulty
Medium
Solve Time
45–60 sec

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Q · Average Medium · 45s

Three years ago, the average age of a family of 5 members was 17 yr. Even after the birth of a child, the average is the same today. Find out the age of chil(d)

TopicAverage
Question Typemultiple choice
DifficultyMedium
Marking+1 / −0.33
Test Duration30 min

Step-by-Step Solution

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Solution illustration 1Solution illustration 2
Final Answer: Option B — 3 yr
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Average Question 18 – UPSC CDS/OTA