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Type the missing number in this sequence:\newline5858, _\_, 7272, 7979, 8686

Full solution

Q. Type the missing number in this sequence:\newline5858, _\_, 7272, 7979, 8686
  1. Identify Pattern: Identify the pattern in the sequence: 5858, _____, 7272, 7979, 8686. We notice that the numbers seem to be increasing. To find the pattern, we need to look at the differences between the numbers.
  2. Calculate Differences: Calculate the difference between 7272 and 7979, and between 7979 and 8686.\newline7972=779 - 72 = 7\newline8679=786 - 79 = 7\newlineThe difference between consecutive numbers is 77, which suggests that the sequence increases by 77 each time.
  3. Determine Missing Number: Determine the missing number by subtracting 77 from 7272.\newline727=6572 - 7 = 65\newlineThe missing number in the sequence should be 6565 if the pattern of adding 77 continues.
  4. Check Pattern: Check the pattern by adding 77 to 5858 to see if we get the missing number.\newline58+7=6558 + 7 = 65\newlineThe calculation confirms that the missing number is indeed 6565.

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