Question

Find the common difference of the A.P
i) 400, 370, 340
ii) 1, 3, 13, 19
​

Answer 1

Answer:

(1) The answer is -30

(2) This is not an AP, since common difference is not same.

Answer 2

Answer:

1. -30
2. this is not A.P

Step-by-step explanation:

D =370-400

= -30

D= 340-370

= -30