Questions asked in IBPS PO Prelims 2017 Slot 2- Number Series
Questions asked in IBPS PO Prelims 2017 – Number Series Slot 2
1) 3, 5, 13, 43, 177, ?
Logic: *1+2, *2+3, *3+4, *4+5, *5+6
Answer: 891
2) 9, 3.5, 2.5, 4, 15, ?
Logic: *0.5-1, *1-1, *2-1, *4-1
Answer: 119
3) 7, 7, 13, 37, 97, ?
Logic: Difference 13-1, 23-2, 33-3, 43-4
Answer: 217
4) 3.25, 6.5, 19.5, 78, 390, ?
Logic: ×2, ×3, ×4, ×5
Answer: 2340
5) 68, 117, 61, 124, 54, ?
Double difference: 7, 7
Answer: 131
10 comments
1st ans is 591 im rght or wrng
Multiply again. You will get the ans
please upload shift 3 number series
0 6 24 60 120
6 18 36 60 diffrence ka diffrence hai 120+97=217
12 18 24
0 6 24 60 120 __210___
6 18 36 60 __90___
12 18 24 __30___
6 6 6
Anybody xplaining me the 3rd series logic?
its 1 cube minus 1
Plz explain the 3rd one
7 7 13 37 97
The difference between the numbers
7 – 7=0=1^3-1
13-7=6=2^3-2
37-13=24=3^3-3
97-37=60=4^3-4
217-97=120=5^3-5
1 ka cube – one
2 ka cube – 2
3 ka cube – 3 aisi series lag Rahi hain