Important Number Series Set 2-How to do solve

ব্যাঙ্কিং পরীক্ষার উপযোগী নম্বর সিরিজ ম্যাথ(Important Number Series Set 2)কত সহজে নির্ণয় করা যেতে পারে তার ট্রিকস দেওয়া হলো।

কোয়ান্টিটিভ অপটিটুড-নম্বর সিরিজ – সেট -2

Directions: (1-10)-What will come in place of question mark(?) in the given number series?

1)150,102,70,46,26,?

A)7

B)13

C)8

D)2

E)12

2)10,14,24,52,134,?

A)351

B)302

C)368

D)341

E)378

3)24,11,10,14,27,?

A)67.5

B)60.5

C)66.5

D)61.5

E)62.55

4)4500,900,90,6,?,.012

A).3

B).09

C).9

D).015

E).03

5)8,7,2,33,126,?

A)672

B)684

C)635

D)620

E)692

6)16,17,21,30,46,?

A)82

B)104

C)71

D)92

E)84

7)2,2,4,12,48,?

A)180

B)220

C)240

D)160

E)210

8)10,14,23,37,56,?

A)74

B)80

C)118

D)120

E)94

9)4,7,13,25,49,?

A)118

B)136

C)86

D)97

E)124

10)50,59,41,68,32,?

A)77

B)45

C)20

D)85

E)60

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ANSWERS :-

1	2	3	4	5	6	7	8	9	10
C-8	E-378	C-66.5	A-.3	C-635	C-71	C-240	B-80	D-97	A-77

1)150-102=48

102-70=32

70-46=24

46-26=20

26-8=18

2)10+(4) =14

14 + (10) =24

24 +(28) =52

52+(82) =134

134 + (244) =378

3)24x(1 ÷2)-1=11

(11×1)-1=10

10x(3÷2)-1=14

So, on

4)4500÷5=900

900÷10=90

90÷15=6

6÷20=.3

.3÷.25=.012

5)(8×1)-1=7

(7×2)-2=12

So, on

6)16 + (1²) = 17

17 + (2²) = 21

So, on

7)2 x1=2

2×2=4

4×3=12

So, on

8)10 + (4) =14

14+(9) =23

23+(14) =37

So, on

9)(4 x2)-1=7

(7×2)-1=13

So, on

10)50 + (9) =59

59 -(18) =41

41+ (27) =68

68-(36) =32

So, on.

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Directions: (11-20)-What will come in place of question mark(?) in the given number series?

11)1,2,6,15,31,?

A)7

B)56

C)88

E)2

E)12

12)41,39,43,37,45,?

A)31

B)39

C)36

D)35

E)48

13)3,8,23,68,203,?

A)675

B)608

C)665

D)615

E)625

14)12,6,6,9,18,?

A)45

B)54

C)63

D)36

E)32

15)9,15,27,45,69,?

A)62

B)68

C)99

D)82

E)92

16)13,13,27,?,335,1679   

A)81

B)83

C)71

D)92

E)74

17)281,285,301,337,?,501

A)318

B)401

C)440

D)360

E)421

18)10,15,24,?,54,75

A)34

B)40

C)37

D)32

E)44

19)2,4.5,11,30,92,?

A)118

B)136

C)286

D)312

E)224

20)2,8,33,?,765,4626

A)177

B)145

C)120

D)185

E)148

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ANSWERS:-

11	12	13	14	15	16	17	18	19	20
B-56	D-35	B-608	A-45	C-99	B-83	B-401	C-37	D-312	E-148

11)The pattern of the numbers series is given below

1 + (1)²,

2 + (2)² + ……….

12) There are two alternating series of + 2 & -2 patterns respectively

13)The difference gets multiplied by 3 successively

The series is

3 + 5= 8,

8 + 15 = 23,

23 + 45 = 68, …….

14) The series is 12 x .5 = 6,

6 x 1 = 6,

6 x 1.5 = 9

15) The series is

9 + (1 x 6) = 15

15 + (2 x6) = 27 …….

16)The series is

(13 x1 +0= 13),

(13×2 +1= 2),……

17)The series is

+ (2)², + (4)² +, ……

18)The series is

+5, +9, +13, ……

19)The series is

(x2 + .5 x 4⁰ ),

(x 2 + .5 x 4¹ )……

20)The series is

x1 + (1)² ,

x2 + (2)², …….

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