Question

which of
the
following sequence are A. P? Justify.
1)12, 2,-8,-18,..........
2) 1, 2, 3, 5, 13,.......
3)2,5,8, 11,.......
4)0.5, 0.8,1.1,1.4,......5)1,5, 10,16,23,......​

Answer 1

Answer:

3 option is correct

Step-by-step explanation:

becoz in A.p series the difference of first two no. is equal to second two no.

Like-

5-2=3,

8-5=3, 11-8=3

mark me as brainliest

Answer 2

Answer:

1..it is correct

2,incorrect

3.correct

4.correct

5.incorrect

Step-by-step explanation:

1. it is correct b/c it decrese by 10 in the sequence

2. incorrect

3.correct b/c it increse by 3 in the sequence

4. correct b/c it increase by0.3 in the sequence

5.incorrect

hope it helps