SBI CLERK PRELIMS – APTITUDE – 9

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The SBI CLERK Prelims Exam 2018 is one of the important exam and we know you would be searching for the correct planner to devise your strategy. Since the exam pattern is changed , you would have been puzzled about how to study for the exam and make your preparations in the right way. Don’t fret and prepare as you wish but go in the right direction.

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SBI Clerk Prelims 2018 Study Planner Day – 9

Section : Quantitative Aptitude

Topic : Number Series

Time: 10 Minutes


1) 81333123, ___?

2) 2642600, ___?

3) 2040932820, ___?, ___?

4) 28721152, ___?

5) 43925, ___?

6) 472429, ___?

7) 211212, ___?

8) 11361, ___?

9) 11186, ___?

10) 1854384, ___?


Solutions :

1) Ans: 723

Soln: Upto 5!

= 1,            2,          6,        24,     120

X5+3,      x5+3,     x5+3,   x5+3, x5+3


2)  Ans: 14520

Soln: Upto 5!

= 1,            2,          6,        24,     120

12+1,     22+2,     62+6, 242+24,1202+120


3) Ans: 125, 115……….

Soln: n!+n, n!-n


4) Ans: 28800

Soln: Upto 5!

= 1,            2,          6,        24,     120

12+12,     22+22,  62+62,242+242,1202+1202


5) Ans: 123

Soln: Upto 5!

= 1,            2,          6,        24,     120

+3,          +1,        +3,        +1,      +3


6) Ans: 480

Soln: Upto 5!

= 1,            2,          6,        24,     120

x4,          +5,        x4,        +5,      x4


7) Ans: 240

Soln: Upto 5!

= 1,            2,          6,        24,     120

x2,          2,        x2,        2,      x2


8) Ans: 14400

Soln: Upto 5!

= 1,            2,          6,        24,     120

x1,          2,        x6,       24,   x120


9) Ans: 720

Soln: Upto 5!

= 1,            2,          6,        24,     120

x1,          2,        x3,        ,      x5


10) Ans: 3000

Soln: Upto 5!

= 1,            2,          6,        24,     120

x12,         x22,       x32,       x42,     x52


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SBI CLERK PRELIMS EXAM 2018 – STUDY PLANNER