Number Series Questions for SBI PO

As we all know SBI PO is here and we are ready with the 80 days plan in which we provide you daily quizzes on new pattern questions with different topics that will help you to go through this exam.
So, here we are with the Most important questions of Number Series


SI and CI questions

Directions (1-5): In the following number series, a wrong number is given. Find out that wrong number.
Q1. 2  11  38  197  1172  8227  65806
(a) 11
(b) 38
(c) 197 
(d) 1172
(e) 8227


Q2. 16  19  21  30  46  71  107
(a) 19 
(b) 21
(c) 30 
(d) 46
(e) 71

Q3. 7  9  16  25  41  68  107  173
(a) 107 
(b) 16
(c) 41 
(d) 68
(e) 25

Q4. 4  2  3.5  7.5  26.25  118.125
(a) 118.125 
(b) 26.25
(c) 3.5 
(d) 2
(e) 7.5

Q5. 16  4  2  1.5  1.75  1.875
(a) 1.875 
(b) 1.75
(c) 1.5 
(d) 2
(e) 4

Directions (6-10) : In each of the following questions a number series is given. After the series a number is given followed by (a), (b), (c), (d) and (e). You have to complete the series starting with the given number, following the sequence of original series and answer the questions that follow the series.
Q6. 3  19  103  439  1381  2887
     5  (a)  (b)  (c)  (d)  (e)
What will come in place of (b) ?
(a) 139 
(b) 163
(c) 161
(d) 157
(e) None of these

Q7. 4  13  40  135  552  2765
    2  (a)  (b)  (c)  (d)  (e)
What will come in place of (c) ?
(a) 123 
(b) 133
(c) 127 
(d) 131
(e) None of these

Q8. 5  12  4  10  3  8
    6  (a)  (b)  (c)  (d)  (e)
What will come in place of (d) ?
(a) 3 
(b) 5
(c) 4 
(d) 7
(e) None of these

Q9. 3  13  37  87  191  401
     1  (a)  (b)  (c)  (d)  (e)
What will come in place of (d) ?
(a) 169 
(b) 161
(c) 171 
(d) 159
(e) None of these

Q10. 8  4  6  15  52.5  236.25
    12  (a)  (b)  (c)  (d)  (e)
What will come in place of (c) ?
(a) 23.5
(b) 16.5
(c) 22.5
(d) 22.25
(e) None of these

Directions (11-15) : What should come in place of question-mark (?) in the following number series ?
Q11. 13  14  30  93  376  1885  ?
(a) 10818 
(b) 10316
(c) 11316 
(d) 11318
(e) None of these

Q12. 4  6  9  13.5  20.25  30.375   ?
(a) 40.25 
(b) 45.5625
(c) 42.7525 
(d) 48.5625
(e) None of these

Q13. 400  240  144  86.4  51.84  31.104   ?
(a) 19.2466 
(b) 17.2244
(c) 16.8824 
(d) 18.6624
(e) None of these

Q14. 9  4.5  4.5  6.75  13.5  33.75   ?
(a) 101.25 
(b) 103.75
(c) 99.75 
(d) 105.50
(e) None of these

Q15. 705  728  774  843  935  1050  ?
(a) 1190 
(b) 1180
(c) 1185 
(d) 1187
(e) None of these


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