Question

8. Which term of the A.P. 3, 8,
13, 18, ... is 68?

16
O 15
O 13

14

Answer 1

Answer :-

Here,

• a = 3
• d = 8 - 3 = 5
• Tn = 68

Tn = a + (n - 1)d

→ 68 = 3 + (n - 1)5

→ 68 = 3 + 5n - 5

→ 68 = 5n - 2

→ 68 + 2 = 5n

→ 5n = 70

→ n = 14

Answer 2

Hello mate ...

Ur answer is 14

Hope it was helpful ..

plz do follow me