Question

In a certain A.P. 5 times then 5^th term is equal to 8 times the 8^th term, then the 13^th term is-

• A. –13
• B. –12
• C. –1
• D. 0

Answer 1

Answer: (D)

0

Answer 2

5.T₅ = 8.T₈

̃ 5(a + (4d)] = 8 (a + 7d)

̃ 3a = –36d ̃ a + 12d = 0

̃ T₁₃ = 0