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Three friends in Lucknow have roll numbers that are three consecutive whole numbers. The middle roll number is 27.
What is the sum of all three roll numbers?

Class 6Successor and PredecessorWhole Numbers
  • A73
  • B81
  • C162
  • D89

Step-by-Step Solution

The roll numbers are predecessor, middle, successor of 27 = 26, 27, 28. Sum = 26 + 27 + 28 = 81.
Answer: B) 81

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