InterviewSolution
Saved Bookmarks
| 1. |
5th term of an A.P. is 10 more than its 3rd term. What is the difference of its 9th and 6th terms ?(1) 15 (2) 3 (3) 6 (4) 10 |
|
Answer» Correct option: (1) 15 Explanation: a5 = 10 + a3 a + 4d = 10 + a + 2d 2d = 10 d = 5 a9 – a6 = a + 8d – (a + 5d) = 3d = 3 (5) = 15 |
|