Math, asked by jailendragosai94, 2 months ago

What should come at the place of question mark (?) in the following number series? 

 221, 109, 53, 25, 11, ?​

Answers

Answered by OnkarN
0

Step-by-step explanation:

Explanation: Balkan region was a source of tension because of the following reasons: (1) It was a region of geographical, ethnic variation comprising Romania, Bulgaria, etc:and its inhabitants were broadly known as Slavs.

Answered by RoboXYZ
1

Answer:

4

Step-by-step explanation:

221-3=218

218/2=109

109-3=106

106/2=53

So on,

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