Number Series Questions for IBPS | DSSSB | Railway | SSC

Numerical Ability or Quantitative Aptitude Section gives a maximum marks to the aspirants when they appear for a banking and other examination. The questions asked in this section are calculative and very time-consuming. But once dealt with proper strategy, speed, and accuracy, this section can get you the maximum marks in the examination. 

1.    121, 144, 169, ?, 225


A.  180
B.  172
C.  186
D.  196
E.  None of these



2.    73205, 6655, 605, 55, ?


A.  9
B.  5
C.  13
D.  11
E.  None of these


3.  ?, 2116, 2209, 2304, 2401, 2500

A.  2124
B.  1972
C.  1521
D.  2025
E.  None of these


4.    0, 6, 24, 60, 120, 210, ?
A.  336       
B.  349
C.  312
D.  337
E.  None of these



Q11. 7,     12,     19,     30,     47,     ?

A. 65
B 79
C 78
D 67
E 72





Answers :
1.  (D)
121 = 112, 144 = 122, 169 = 132, 196 = 142, 225 = 152.

2.    (B)
5 x 11 = 55, 55 x 11 = 605, 605 x 11 = 6655, 6655 x 11 = 73205

3.  (D)
2025 = 452, 2116 = 462, 2304 = 482, 2401 = 492, 2500 = 502

4     (A)
The given series is : 13 – 1, 23 – 2, 33 – 3, 43 – 4, 53 – 5, 63 – 6,
So the missing term = 73 – 7 = 343 – 7 = 336 .

5     (E).

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