Question

3,9,5,15,7,21,?,27,13 please solve​

Answer 1

$3,9,5,15,7,21,?,27,13$

$make \: two \: groups \:$

first group -

3

5

7

?

13

Second group -

9

15

21

27

now divide second group by 3

$\frac{9}{3} = 3 \\ \\ \frac{15}{3} = 5 \\ \\ \frac{21}{3} = 7 \\ \\ \frac{27}{3} = 9$

$now \: write \: quotient \: in \: order$

$3,5,7,9$

Now, if you observe the question you find the answer.

Answer is 3,9,5,15,7,21, 9,27,13

I HOPE IT IS HELPFUL!☆

Answer 2

Answer:

Step-by-step explanation: