Q49
If 18, a, b - 3 are in A.P. then a + b =
A.
19
B.
7
C.
11
D.
15
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
18, a, b - 3 are in A.P.,then a - 18 = -3 - b
⇒ a + b = -3 + 18 = 15
Aptitude · Q49
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Competitive Exams · Aptitude · question 49
then a - 18 = -3 - b
⇒ a + b = -3 + 18 = 15