Question : The average of 25 consecutive odd integers is 55. The highest of these integers is:
Option 1: 79
Option 2: 105
Option 3: 155
Option 4: 109
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Correct Answer: 79
Solution : Here, the average of 25 consecutive odd numbers = 55 So, Middle number = $\frac{(25+1)}{2}$th number = 13th number = 55 $\therefore$ 25th number = 55 + 2 × 12 = 55 + 24 = 79 Hence, the correct answer is 79.
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