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The average age of a jury of 5 is 40. If a member aged 35 resigns and a man aged 25 becomes a member, then the average age of the new jury is1). 302). 383). 404). 42 |
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Answer» The AVERAGE age of a jury of 5 is 40. ∴The total age of the MEMBERS of the jury is (5 × 40) = 200. A member aged 35 resigns. Current total age of the jury of 4: = 200 – 35 =165 A man aged 25 BECOMES a member of the jury. New total age of the jury of 5: = 165 + 25 = 190 The new average age of the jury of 5 is: = 190 ÷ 5 = 38 |
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