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The average age of 5 men is 12 years. The average age of the first three men is 8 years and the average age of the last three men is 16 years. Find the age of the third man.1. 112. 123. 154. 145. None |
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Answer» Correct Answer - Option 2 : 12 Given: Average age of the first three man = 8 Average age of the last three man = 16 Average age of the 5 men = 12 Formula used: Sum of ages = Average × Number of persons Calculation: Total age of 5 men = 12 × 5 years ⇒ 60 years Total age of first three-man = 8 × 3 ⇒ 24 years Total age of last three men = 16 × 3 ⇒ 48 years Age of third man is = (24 + 48) – 60 years ⇒ 72 – 60 years ⇒ 12 years ∴ The age of third man is 12 years |
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