If 18, a, b - 3 are in A.P. then a + b =
A. 19
B. 7
C. 11
D. 15
Answer: Option D
Solution(By Examveda Team)
18, a, b - 3 are in A.P.,then a - 18 = -3 - b
⇒ a + b = -3 + 18 = 15
This Question Belongs to Arithmetic Ability >> Progressions
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