Number Series Reasoning Test For NTSE And NMMS Exam : ಸಂಖ್ಯಾ ಸರಣಿಗಳು

 Number Series Reasoning Test For NTSE And NMMS Exam : ಸಂಖ್ಯಾ ಸರಣಿಗಳು 

ಈ ಕೆಳಗಿನ ಸಂಖ್ಯಾ ಶ್ರೇಣಿಗಳನ್ನು ಪೂರ್ಣ ಗೊಳಿಸಿ

1)      3,  8,  ?,  18,  23

A) 14
B) 15
C) 13
D) 12

... Answer is C)
3 + 5 = 8, 8 + 5 = 13, 13 + 5 = 18, 18 + 5 = 23

2)     1,  4,  9,  ?,  25

A) 16
B) 36
C) 14
D) 18

... Answer is A)
1² = 1, 2² = 4, 3² = 9, 4² = 16, 5² = 25,

3)      5,  7,  11,  ?

A) 13
B) 15
C) 17
D) 19

... Answer is C)
5 + 2 = 7, 7 + 4 = 11, 11 + 6 = 17, .

4)      8,  27,  64,  125,  ?

A) 225
B) 216
C) 218
D) 220

... Answer is B)
2³ = 8, 3³ = 27, 4³ = 64, 5³ = 125, 6³ = 216 .

5)      48,  45,  ?,  33,  24,  13

A) 42
B) 41
C) 39
D) 40

... Answer is D)
48 - 3 = 45, 45 - 5 = 40, 40 - 7 = 33, 33 - 9 = 24, 24 - 11 = 13

6)     3,  10,  29,  66,  127, ?

A) 216
B) 218
C) 219
D) 225

... Answer is B)
1³ + 2 = 3, 2³ + 2 = 8 + 2 = 10, 3³ + 2 = 27 + 2 = 29, 4³ + 2 = 64 + 2 = 66, 5³ + 2 = 125 + 2 = 127, 6³ + 2 = 216 + 2 = 218

7)     2,  5,  9,  19,  37, ?

A) 75
B) 65
C) 55
D) 45

... Answer is A)
2 X 2 + 1 = 4 + 1 = 5, 5 X 2 - 1 = 10 - 1 = 9, 9 X 2 + 1 = 18 + 1 = 19, 19 X 2 - 1 = 38 - 1 = 37, 37 X 2 + 1 = 74 + 1 = 75 .

8)     3,  5,  8,  13,  20, ?

A) 29
B) 28
C) 30
D) 31

... Answer is D)
3 + 2 = 5, 5 + 3 = 8, 8 + 5 = 13, 13 + 7 = 20, 20 + 11 = 31

9)      1,  2,  6,  15,  31, ?

A) 56
B) 55
C) 49
D) 47

... Answer is A)
1 + 1² = 1 + 1 = 2, 2 + 2² = 2 + 4 = 6, 6 + 3² = 6 + 9 = 15, 15 + 4² = 15 + 16 = 31, 31 + 5² = 31 + 25 = 56

10)      1,  1,  2,  6,  ?,  120

A) 10
B) 18
C) 24
D) 20

... Answer is C)
1 X 1 = 1, 1 X 2 = 2, 2 X 3 = 6, 6 X 4 = 24, 24 X 5 = 120

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About Shiva Ragalekha

Shiva Ragalekha Asst.Master