IBPS RRB PO Prelims 9th Sept 2017 – Memory Based Questions

IBPS RRB PO Prelims 9th Sept 2017 – Memory Based Questions

Number Series

1). 221, 109, 53, 25, 11, ?
×2+3 In Reverse
Answer: 4

2). 0.5, 12, 52, 106, 107, ?
×8+8, ×4+4, ×2+2, ×1+1 ×0.5+0.5
Answer: 54

3). 39, 31, 41, 29, 43, ?
8, 10, 12, 14, 16 Difference
2, 2, 2, 2 Difference of Difference
Answer: 27

4). 3, 5, 13, 49, ?, 1441,
×2-1, ×3-2, ×4-3, ×5-4, ×6-5
Answer: 241

5). 481, 477, 467, 439, 357, ?

6). 2, 8, 28, 54, 53, ?
×8-8, ×4-4, ×2-2, ×1-1 ×0.5-0.5
Answer: 26

7). 167, 164, 159, 150, ? , 100
3, 5, 9, 17, 33 Difference
2, 5, 8, 16 Difference of Difference
Answer: 133

8). 17, 31, 15, 33, 13 , ?
14, 16, 18, 20, 22 Difference
2, 2, 2, 2 Difference of Difference
Answer: 35

9). 973, 325, 109 , 37 , 13 , ?
+2÷3, +2÷3, +2÷3, +2÷3,
Answer: 5

10). 0.5, 2, 8, 35, ? , 1079
×2+1, ×3+2, ×4+3, ×5+4, ×6+5
Answer: 179

11). 519, 517, 509, 483, 403, ?
Difference of Difference: ×3
Answer: 241

12). 27, 38, 51, 68, 87,?
Difference of Difference: 2, 4, 2, 4
Answer: 110

13). 1094, 365, 122, 41, 14, ?
Logic:3⁴×9, 3³×9, 3²×9, 3¹×9, 3⁰×9
Answer: 5

14). 7, 3, 2, 2, 4, ?
Logic: ×0.5-0.5, ×1-1, ×2-2, ×4-4, ×8-8
Answer: 24

15). 1.5, 3.5, 10, 34, ?, 711
Logic:×1+2, ×2+3, ×3+4, ×4+5
Answer: 141

Puzzle 1:

Eight boxes A,B,C,D,J,K,L,M are arranged in a stack way. 3 boxes are kept in between A and J.there are As many boxes as in between c and J and c and A. There are 4 boxes in between k and B. K is immediately below C . There are 3 boxes in between M and D where D lies below M but not the Lowest. L does not lie immediately above J.

Solution:
M
B
L
A
D
C
K
J

Puzzle 2:

There are 8 person A, B,C,D,E,F and G born in 8 diff month Jan, feb, mar, apr, 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 – Apr
A – June
D – Aug
B – Oct

Puzzle 3:

Eight boxes A,B,C,D,E,F,G and H not in the same order.there are Three boxes between A and B.H immediately below A.Two boxes btw H And G. as many boxes between H and B are same as like between C and D.C lives one of the above boxes than D.E lives immediately below D.only three boxes between E and F

Solution:
B
C
G
F
A
H
D
E