# Aptitude - Odd Man Out and Series - Discussion

### Discussion :: Odd Man Out and Series - Missing No. (Q.No.5)

Insert the missing number.

5.

8, 7, 11, 12, 14, 17, 17, 22, (....)

 [A]. 27 [B]. 20 [C]. 22 [D]. 24

Explanation:

There are two series (8, 11, 14, 17, 20) and (7, 12, 17, 22) increasing by 3 and 5 respectively.

 Subhash said: (Nov 23, 2011) Another possibility is there are 3 series (8,7,11), (12,14,17) & (17,22,--) Difference between first number of each series are 4,5. Difference between second number of each series are 7,8. So last number of each series can be 11, 17((last number of series 1)+6), 24 ((last number of series 2)+7).

 Chandu said: (Mar 18, 2015) First series of words increased by 3, i.e, 8+3 = 11, 11+3 = 14, 14+3 = 17, 17+3 = 20 and second series of words are increased by 5 i.e, 7+5 = 12, 12+5 = 17, 17+5 = 22.

 Peter said: (Apr 23, 2015) I need more explanation about these series haven't understood yet.

 Rahul said: (Jul 26, 2016) There are 2 series. (8, 11, 14, 17, ?) with difference of 3. (7, 12, 17, 22) with difference of 5. So we have to find out series with diference 3. Separate the given series in these two ways, you can get your answer.

 Rohit said: (Jan 11, 2017) My question: 2, 5, 9, 19, 37 ,?. a.45 b.63 c.55 d.75 Please give me answer & explain it.

 Mohd Bilal said: (Jan 26, 2017) @Rohit. Answer. 75. Because +1, -1 = 74 + 1= 75.

 James said: (Apr 22, 2017) 8,11,14,17,20,..answer 23. 7,12,17,22,.... answer 27. All differ by 3 and 5. 23 + 27 = 40 ÷ 2 (average), = 20.

 Sahil Nagar said: (Jul 13, 2018) I am not understanding this series. Please, anyone explain me.

 Randon said: (Jul 16, 2018) 2*1=2, 2*2=4+1 = 5, 2*5=10-1 = 9, 2*9=18+1 = 19, 2*19=38-1 = 37, 2*37=74+1 = 75.

 G. Kanimozhi said: (Jan 13, 2019) 8 + 5 = 11. 11 + 5 = 17. 17 + 5 = 22. 22 + 5 = 27.

 Tanuja Choudhary said: (Jul 15, 2021) Anyone, please explain in an easy method.

 Zainab Maratab said: (Dec 17, 2021) There are two series ( 8,11,14, 17, 20) and ( 7, 12, 17, 22) increasing by 3 and 5 respectively. 8 + 3 = 11 11 + 3 = 14 14 + 3 = 17 17 + 3 = 20 => correct option. And, (7 , 12, 17, 22) 7+5= 12. 5+12= 17, 17+ 22 = 39. So the right answer is 20. Therefore B is the right option.