# Logical Reasoning - Number Series - Discussion

### Discussion :: Number Series - Type 2 (Q.No.5)

Look carefully for the pattern, and then choose which pair of numbers comes next.

5.

9 11 33 13 15 33 17

 [A]. 19 33 [B]. 33 35 [C]. 33 19 [D]. 15 33 [E]. 19 21

Explanation:

In this alternating repetition series, a random number, 33, is interpolated every third number into a simple addition series, in which each number increases by 2.

 Sathishkumar said: (Jun 27, 2011) Here 33 is common for after every 2 numbers so 33 is compulsory. Remaining you add 2 for each number so that the answer is 19, 33.

 Vino said: (Dec 13, 2011) 33 common 9+2=11 13+2=15 17+2=19

 Neelam said: (Sep 28, 2013) 33 is common after every 2 number. 9+2=11 11+2=13 9 11 33 13+2=15 15+2=17 13 15 33 17+2=19 17 19 33

 P.Hemasai said: (Sep 29, 2014) 33 is repeating. Just add +2 for 9 and so on.

 Hardik said: (Jun 13, 2015) 33 is common after every 2 number. 11+4=15. 15+4=19. 17 19 33.

 Monisha said: (Jul 24, 2015) 9 11  13 15  17 ? . 9-11=2. 13-15=2. 17-19=2. Ans: 17 19.

 Utkarsh said: (May 25, 2017) Here between 11&9difference is 2 as continues and after every two digits 33 is common So. 17+2 = 19 and next is same as 33 then answer A is correct.

 Arokade said: (Jul 1, 2017) Please solve and explain. 24 11 9 14 48 ?

 Nadi Yonas said: (Aug 6, 2017) 24*2=48 24-13=11 11-2=9 9+5=14 48-13=35. 35 answer.

 Ravali said: (Dec 4, 2019) Why not option C is correct?

 Revathi said: (Jul 28, 2020) @Ravali. Here 33 is coming after every "2" numbers.