Discussion
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- Question
- 2, 3, 4, 4, 6, 8, 9, 12, 16
Options- A. 3
- B. 6
- C. 9
- D. 12
- Correct Answer
- 9
ExplanationPattern is : the series is the combination of three series -each term is twice the preceding term.
(i) 1st, 4st, 7st term i. e 2,4,9,.......
(ii) 2st, 5st, 8st term i, e 3,6,12.....
(iii) 3st, 6st, 9st 4,8,16......
So, 9 is wrong. - 1. 4, 10, 22, 46, 96, 190, 382
Options- A. 4
- B. 10
- C. 96
- D. 382 Discuss
- 2. 380, 188, 92, 48, 20, 8, 2
Options- A. 8
- B. 20
- C. 48
- D. 188 Discuss
- 3. 3, 4, 10, 32, 136, 685, 4116
Options- A. 10
- B. 32
- C. 136
- D. 4116 Discuss
- 4. 1, 3, 10, 21, 64, 129, 356, 777
Options- A. 21
- B. 129
- C. 10
- D. 356 Discuss
- 5. 6, 10, 14, 34, 66, 130, 258
Options- A. 10
- B. 14
- C. 34
- D. 66 Discuss
- 6. 4, 28, 160, 990, 6970,55832, 502560
Options- A. 160
- B. 990
- C. 55832
- D. 6970 Discuss
- 7. 13, 14, 27, 45, 68, 109, 177
Options- A. 27
- B. 109
- C. 45
- D. 68 Discuss
- 8. 529, 841, 961, 1296, 1681, 1849, 2209
Options- A. 1296
- B. 841
- C. 961
- D. 1681 Discuss
- 9. 1 , 3 , 4 , 7 , 11 ,18 , 27 , 47
Options- A. 4
- B. 11
- C. 18
- D. 7 Discuss
- 10. 3 , 2 , 3 , 6 , 12 , 37.5 , 115.5
Options- A. 37.5
- B. 3
- C. 6
- D. 2 Discuss
Number Series problems
Search Results
Correct Answer: 96
Explanation:
Pattern is : + 6, + 12, + 24, + 48, +96, + 192
Correct Answer: 48
Explanation:
Pattern is : - 192, - 96, - 48, - 24, -12, - 6
Correct Answer: 32
Explanation:
Pattern is : x 1 + 1, x 2 + 2, x 3 + 3, x 4 + 4, ............
Correct Answer: 356
Explanation:
Pattern is x 2 + 1, x 3 + 1, x 2 + 1, x 3 + 1, ........
Correct Answer: 14
Explanation:
The series is x 2 - 2, x 2 - 2, x 2 - 2, x 2 - 2, ......
Correct Answer: 6970
Explanation:
4 x 4 + (4 x 3) = 28
28 x 5 + (5 x 4) =160
160 x 6 + (6 x 5) = 990
990 x 7 + (7 x 6) = 6972
6972 x 8 + (8 x 7) = 55832
55832 x 9 + (9 x 8) = 502560
Correct Answer: 45
Explanation:
13 + 14 = 27
14 + 27 = 41
27 + 41 = 68
41 + 68 = 109
68 + 109 = 117
So, 45 is the wrong number in this series.
Correct Answer: 1296
Explanation:
All nos, in the given series are squeres of odd nos, except 1296
1296 = (36)2
Correct Answer:
Explanation:
As per the details in the question the series is in the form of
The sum of the first two nos. is the third no.
? First term + Second term = Third term
? 1 + 3 = 4 ;
Second term + Third term = Fourth term
? 3 + 4 = 7 ;
Third term + Fourth term = Fifth term
? 4 + 7 = 11 ;
Fourth term + Fifth term = Sixth term
? 7 + 11 = 18 ;
Fifth term + Sixth term = Seventh term
? 11 + 18 = 27 is wrong. It should be 29.
Sixth term + Seventh term = Eighth term
? 18 + 29 = 47
Hence, 27 is wrong. It should be 29.
Correct Answer:
Explanation:
The given series is in the below pattern,we can see that
Next term= ( Previous term × variable ) + variable
First term = 3
Second term = ( First term × variable ) + 0.5 = ( 3 x 0.5 ) + 0.5 = 2
Third term = ( Second term × variable ) + 1 = ( 2 x 1 ) + 1 = 3
Similarly , we can calculate all others terms also.
Fourth term = ( Third term × variable ) + 1.5 = ( 3 × 1.5 ) + 1.5 = 6 ;
Fifth term = ( Fourth term × variable ) + 2 = ( 6 × 2 ) + 2 = 12 ; 12 is wrong. It should be 14.
Sixth term = ( Fifth term × variable ) + 2.5 = (14 × 2.5 ) + 2.5 = 37.5 ;
Seventh term = ( Sixth term × variable ) + 3 = ( 37.5 × 3 ) + 3 = 115.5
Hence, 12 is wrong. It should be 14.
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