Dear Readers, IBPS RRB Officer (Scale-1) Prelims Held on 9th Sep 2017 (1st Slot) has finished; here we have given Memory based questions. Candidates those who are all going to write the examination can check this pattern and make use it.
Number Series Asked in 9th Sep 2017 (1st slot):
1). 89, 88, 85, 78, 63, ?
1, 3, 7, 15, 31 Difference
2, 4, 8, 16 Difference of Difference
Answer: 94
2). 5, 28, 47, 64, 77, ?
23, 19, 17, 13, 11 Difference
4, 2, 4, 2 Difference of Difference
Answer: 88
3). 7, 4, 5, 12, 52, ?
×0.5+0.5, ×1+1, ×2+2, ×4+4, ×8+8
Answer: 424
4). 6, 4, 5, 11, 39, ?
×1-2, ×2-3, ×3-4, ×4-5, ×5-6
Answer: 189
5). 190, 94, 46, 22, ?, 4
×0.5-1, ×0.5-1, ×0.5-1, ×0.5-1
Answer: 10
Puzzle asked in IBPS RRB Officer (Scale-1) Prelims Held on 9th Sep 2017 (1st Slot):
There are 8 person A, B,C,D,E,F and G born in 8 diff month Jan, feb, mar, april, june, aug ,and oct. A born in the month of less than 31 days but not in april. There are 3 person born b/w A and C. B born one of the day after D. No person born b/w B and D. E born one of the day before G. E not born in maximum number of days. No person born b/w G and E.
Solution:
C – Jan
E – Feb
G – Mar
F – April
A – June
D – Aug
B – Oct
E – Feb
G – Mar
F – April
A – June
D – Aug
B – Oct
Quadratic Equations asked in IBPS RRB Officer (Scale-1) Prelims Held on 9th Sep 2017 (1st Slot):
1).
- x2+9x+20=0
- y2=16
2).
- x2-8x+15=0
- y2-12y+36=0
3).
- 2x2+15x+28=0
- 2y2+13x+21=0
4).
- x2-7x+12=0
- 3y2-11y+10=0
5).
- 2x2+9x+14=0
- Y2+4y+4=0
