1.

Check wether the givensequence are in AP or not 4, 15 19, 23........ ​

Answer»

Answer:

a=4

d= A2 - a1

= 15-4

= 11

d= A3 - a2

= 19-15

= 4

d= a4 - a3

= 23-19

= 4....

As a2-a1 doesn't EQUAL to a3-a2......

It doesn't FORM an AP.....



Discussion

No Comment Found

Related InterviewSolutions