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Home ‣ Verbal Reasoning ‣ Number Series See What Others Are Saying!
- Question
- 1, 3, 9, 31, 128, 651, 3913
Options- A. 651
- B. 128
- C. 31
- D. 9
- Correct Answer
- 128
ExplanationAs per the details in the question the series is in the form of
Next term = ( Previous term × variable ) + ( 1 + variable )
First term = 1
Second term = First term × 1 + 2
? Second term = 1 × 1 + 2 = 3 ;
Third term = Second term × 2 + 3
? Third term = 3 × 2 + 3 = 9 ;
Similarly , we can find all others terms also.
Fourth term = Third term × 3 + 4
? Fourth term = 9 × 3 + 4 = 31 ;
Fifth term = Fourth term × 4 + 5
? Fifth term = 31 × 4 + 5 = 128 , is wrong . it should be 129 as fifth term .
Sixth term = Fifth term × 5 + 6
? Sixth term = 129 × 5 + 6 = 651 ;
Seventh term = Sixth term × 6 + 7
? Seventh term = 651 × 6 + 7 = 3913 - 1. Statement:
The Government has transferred the entire staff of police station 'X' and a magisterial inquiry has been ordered into the mysterious death of a man in the police station.
Assumptions:
I. Magisterial inquiry may be able to reveal the cause of death of the man in the police custody.
II. Transferring the entire staff may pave the way to hold free and fair enquiry.
Options- A. if only assumption I is implicit.
- B. if only assumption II is implicit.
- C. if either I or II is implicit.
- D. if neither I nor II is implicit. Discuss
- 2. A man drives his car 6 km towards West, then turns left and drives 3 km and again turns left and drives 3 km. Find out the final direction of the man from his original position.
Options- A. South-West
- B. North-West
- C. North-East
- D. South-East Discuss
- 3. Bleat : Howl : Gibber
Options- A. Grunt
- B. Leap
- C. Stuck
- D. Duck Discuss
- 4. NA
Options- A. 144
- B. 169
- C. 288
- D. 324 Discuss
- 5. 3 : 27 : : 4 :?
Options- A. 16
- B. 64
- C. 32
- D. 28 Discuss
- 6. NA
Options- A. Yen
- B. Lira
- C. Dollar
- D. Ounce Discuss
- 7. Candle : Wick
Options- A. Hammer : Nail
- B. Light : Bulb
- C. Oven : Fire
- D. Bicycle : Wheel Discuss
- 8. Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
g f e _ i g _ e i i _ f e i _ g f _ i i
Options- A. i f g i e
- B. f i g i e
- C. e i f g i
- D. i f i g e Discuss
- 9. 56, 58, 62, 70, 84, 118, 182
Options- A. 58
- B. 62
- C. 84
- D. 118 Discuss
- 10. (4268, 8426, 8624)
Options- A. (3567, 7553, 4642)
- B. (6824, 2468, 4862)
- C. (5678, 7691, 2525)
- D. (4523,5223, 4361) Discuss
More questions
Correct Answer:
Explanation:
The initiative taken by the government is aimed at delving into the reasons of the mysterious death and also at punishing the guilty. Order of magisterial inquiry implies that the government must be assuming I. Why has the entire staff of police station X been transferred? The government must be assuming II also.
Correct Answer: South-West
Explanation:
Draw a figure as per given instruction in the question. We can see that according to graph the man is to the South West from his original position.
Correct Answer: Grunt
Explanation:
All are the sounds produced by animals.
Correct Answer: 288
Explanation:
All others are perfect square of natural number.
Correct Answer: 64
Explanation:
As, 33 is 27.
Similarly, 43 is 64.
Correct Answer: Ounce
Explanation:
All others terms represent the different currencies.
Correct Answer: Bicycle : Wheel
Explanation:
Correct Answer: i f g i e
Explanation:
As per the given pattern of letter series in above question ,
g f e i i
Using the same pattern, we will get complete letter series.
g f e i i/ g f e i i/ g f e i i/ g f e i i
Correct Answer: 84
Explanation:
So, 84 is wrong and must be replaced by (70 + 16) i.e. 86.
Correct Answer: (6824, 2468, 4862)
Explanation:
Each set is made of the digits 2, 4, 6, 8
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