Question

(b) Insert four numbers between 4 and 19 such that the resulting sequence is an A.P.​

Answer 1

Answer:

the nos are 7,10,13 and 16

Step-by-step explanation:

nos to be inserted=4

diff between 1st and last no=19-4=15

therefore,diff between two nos of the ap=15/4=3.75=3

therefore,2nd no=4+3=7

                 3rd no=7+3=10 and so on.....

               

Answer 2

hope it helps you........