Memory Based Questions Asked in RBI Assistant Prelims Exam Held on 27th Nov 2017
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Number Series Questions
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1st Slot :
1). 4, 17, 40, 71, 108 , ?
Logic: Difference of difference is in decreasing order like 10,8,6,4
17-4=13
40-17= 23,23-13=10
71-40= 31 ,31-23=8
108-71= 37, 37-31= 6
149-108= 41, 41-37=4
Answer: 149
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2). 24, 10, 8, 10, 18 , ?
Logic: ×0.5-2, ×1-2, ×1.5-2, ×2-2, ×2.5-2
Answer:43
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3). 6, 14, 45, 184, ?
Logic: ×2+2, ×3+3,×4+4,×5+5
Answer: 925
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4). 17, 38, 80, 164, ?
Logic: ×2+4,×2+4 ,×2+4,×2+4
Answer: 332
- - - - - - - - - - - - - - - - - - -
5). 5, 18, 57, 174, ?
Logic: ×3+3 , ×3+3 ,×3+3 , ×3+3
Answer: 525
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2nd Slot :
1). 6, 5, 7, 12.5, 27, ?
Logic:×0.5+2, ×1+2, ×1.5+2, ×2+2, ×2.5+2
Answer: 69.5
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2). 3, 18, 35, 56, 83,?
Logic: Difference of difference is in even increasing order like 2,4,6,8
Answer: 118
- - - - - - - - - - - - - - - - - - -
3). 7, 6, 10, 27, ?, 515
Logic: ×1-1,×2-2,×3+3,×4+4,×5-5
Answer: 104
- - - - - - - - - - - - - - - - - - -
4). 45, 49, 40, 56, 31,?
Logic: 40-45=-5
56-49=7
31-40=-9
67-56=11
Answer: 67
- - - - - - - - - - - - - - - - - - -
5). 11, 29, 65, 137,?, 569
Logic:×2+7, ×2+7,×2+7,:×2+7, ×2+7,
Answer:281
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3rd Slot :
1). 16,33,67,135, ?, 543
Logic: ×2+1, ×2+1, ×2+1, ×2+1, ×2+1
Answer: 271
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2). 7,16,30,48,69, ?
Logic: Difference of difference is in decreasing order: 5,4,3,2,1
Answer:92
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3). 5,8,14,25, ?
Logic: Difference of difference is in decreasing odd number: 3,5,7
Answer:43
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4). 134,142,115, 179,54, ?
Logic: 134+23=142
147-33=115
115+ 43= 179
179-53=54
54+63= 270
Answer: 270
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5). 152,76,38,19,?,4.25
Logic: ÷ 2, ÷ 2, ÷ 2, ÷ 2, ÷ 2
Answer: 9.5
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Blood Relations :
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B is married to S. G is brother of B. M is the father of G. R is the only daughter of M. R is the mother of P. E married to G.
Answers & Logic : updating soon
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Puzzles
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Eight person LMNOPQSR live on eight different floor .lower 1 , top 8. L , live on odd number floor but not 5 . There is one person live between L and R . R is below L .Three person live between Q and O . Q lives any one of the floor above L as well as O. S live one of floor above Q . Neither N nor Q lives in top floor .One person live between S and M.
Answer & Pattern ▼
8 - P
7 - S
6 - Q
5 - M
4 - N
3 - L
2 - O
1 - R
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Number Series Questions
-------------------
1st Slot :
1). 4, 17, 40, 71, 108 , ?
Logic: Difference of difference is in decreasing order like 10,8,6,4
17-4=13
40-17= 23,23-13=10
71-40= 31 ,31-23=8
108-71= 37, 37-31= 6
149-108= 41, 41-37=4
Answer: 149
- - - - - - - - - - - - - - - - - - -
2). 24, 10, 8, 10, 18 , ?
Logic: ×0.5-2, ×1-2, ×1.5-2, ×2-2, ×2.5-2
Answer:43
- - - - - - - - - - - - - - - - - - -
3). 6, 14, 45, 184, ?
Logic: ×2+2, ×3+3,×4+4,×5+5
Answer: 925
- - - - - - - - - - - - - - - - - - -
4). 17, 38, 80, 164, ?
Logic: ×2+4,×2+4 ,×2+4,×2+4
Answer: 332
- - - - - - - - - - - - - - - - - - -
5). 5, 18, 57, 174, ?
Logic: ×3+3 , ×3+3 ,×3+3 , ×3+3
Answer: 525
===================
2nd Slot :
1). 6, 5, 7, 12.5, 27, ?
Logic:×0.5+2, ×1+2, ×1.5+2, ×2+2, ×2.5+2
Answer: 69.5
- - - - - - - - - - - - - - - - - - -
2). 3, 18, 35, 56, 83,?
Logic: Difference of difference is in even increasing order like 2,4,6,8
Answer: 118
- - - - - - - - - - - - - - - - - - -
3). 7, 6, 10, 27, ?, 515
Logic: ×1-1,×2-2,×3+3,×4+4,×5-5
Answer: 104
- - - - - - - - - - - - - - - - - - -
4). 45, 49, 40, 56, 31,?
Logic: 40-45=-5
56-49=7
31-40=-9
67-56=11
Answer: 67
- - - - - - - - - - - - - - - - - - -
5). 11, 29, 65, 137,?, 569
Logic:×2+7, ×2+7,×2+7,:×2+7, ×2+7,
Answer:281
===================
3rd Slot :
1). 16,33,67,135, ?, 543
Logic: ×2+1, ×2+1, ×2+1, ×2+1, ×2+1
Answer: 271
- - - - - - - - - - - - - - - - - - -
2). 7,16,30,48,69, ?
Logic: Difference of difference is in decreasing order: 5,4,3,2,1
Answer:92
- - - - - - - - - - - - - - - - - - -
3). 5,8,14,25, ?
Logic: Difference of difference is in decreasing odd number: 3,5,7
Answer:43
- - - - - - - - - - - - - - - - - - -
4). 134,142,115, 179,54, ?
Logic: 134+23=142
147-33=115
115+ 43= 179
179-53=54
54+63= 270
Answer: 270
- - - - - - - - - - - - - - - - - - -
5). 152,76,38,19,?,4.25
Logic: ÷ 2, ÷ 2, ÷ 2, ÷ 2, ÷ 2
Answer: 9.5
▼▼▼▼▼▼▼▼▼▼▼▼
===================
Blood Relations :
===================
B is married to S. G is brother of B. M is the father of G. R is the only daughter of M. R is the mother of P. E married to G.
Answers & Logic : updating soon
▼▼▼▼▼▼▼▼▼▼▼▼
===================
Puzzles
===================
Eight person LMNOPQSR live on eight different floor .lower 1 , top 8. L , live on odd number floor but not 5 . There is one person live between L and R . R is below L .Three person live between Q and O . Q lives any one of the floor above L as well as O. S live one of floor above Q . Neither N nor Q lives in top floor .One person live between S and M.
Answer & Pattern ▼
8 - P
7 - S
6 - Q
5 - M
4 - N
3 - L
2 - O
1 - R
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