Question

for each no. series given below. write the next two nos with explanation

a)81,27,9,__,__
b)1,3,9,__,__

Answer 1

a) 81,27,9,3,1
Because all the numbers are divided by 3

B ) 1,3,9,27,81.

Because all the numbers are multiplied by 3.

Hope this helps.

Answer 2

a) 81,27,9,3,1

As it is in form of 3^n and is decreasing

B)1,3,9,27,81

Same as a but it is increasing