8. Average of five numbers is 27. I...
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8. Average of five numbers is 27. If one of the numbers is removed. The average becomes 25. What is the value of the removed number? (1) 42 (2) 37 (3) 46 (4) 35

11th - 12th Class
Maths
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8. (4) because. Average of five numbers ( =27 ) ( therefore ) Sum of five numbers ( =5 times 27=135 ) After removing a number, Average of four numbers ( =25 ) ( therefore ) Sum of four numbers ( =4 times 25=100 ) Thus, value of removed number [ =135-100=35 ]
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