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  1. The sum of three consecutive number is given. What is the difference between first and third number ?
    1. One
    2. Three
    3. Either (A) or (B)
    4. Two
Correct Option: D

Let the three consecutive numbers be x, x+1 and x+2 respectively
∴ Diff between first and third numbers = (x + 2) - x
= 2


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