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For A P T18 - T8 =

This question belongs to Arithmetic Ability Progressions
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For A.P. T18 - T8 = ........ ?

Answer & Solution
Correct Answer: Option B
Tn = a + (n - 1) × d
T18 = a + 17d
T8 = a + 7d
T18 - T8 = 17d - 7d
             = 10d
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