Aptitude · Q32

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Competitive Exams · Aptitude · question 32

Q32

For A.P. T18 - T8 = ........ ?

A.

d

B.

10d

Answer

C.

26d

D.

2d

Answer: Option B

Solution

Answer: Option B

Solution:

T_n = a + (n - 1) × d
T₁₈ = a + 17d
T₈ = a + 7d
T₁₈ - T₈ = 17d - 7d
= 10d

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