15, 43, 83, 137, 207, ?
Options-
1. 295
2. 304
3. 259
4. 502
Answer:
295
Solution:
Logic is:
43-15=28
83-43=40
137-83=54
207-137=70
Now, 40-28=12
54-40=14
70-54=16
So difference of difference is in the form-:12, 14, 16,……
So, missing number=207+70+18=295
Question 2:
4, 13, 41, 126, 382, ?
Options-
1. 1196
2. 1151
3. 1362
4. 1147
Answer:
1151
Solution:
Logic is:
4×3+1=13
13×3+2=41
41×3+3=126
126×3+4=382
382×3+5=1151
Question 3:
BRV, FVZ, JZD, ?
Options-
1. BLP
2. SRE
3. NDH
4. WQA
Answer:
NDH
Solution:
Logic is:
Question 4:
A7F, E15J, I23N, ?
Options-
1. P29O
2. L41P
3. M31R
4. Q38T
Answer:
M31R
Solution:
Logic is:
Question 5:
43, 45, 42, 46, 41, 47, ?
Options-
1. 50
2. 58
3. 40
4. 65
Answer:
40
Solution:
Logic is:
Given series consists of two series.
Complete series is:
43, 45, 42, 46, 41, 47, 40
Series 1: 43, 42, 41, 40
Logic:
43-1=42
42-1=41
41-1=40
Series 2: 45, 46, 47
Logic:
45+1=46
46+1=47
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