Number Series Complete Tricks for Bank PO, SSC and Other Competitive Exam. Number Series is commonly asked in all the Competitive Exams. Here in this Article we will Understand Tricks to Solve Number Series Questions for Bank and Other Competitive Exam.
Number series is an arrangement of numbers in a certain order, where some numbers are wrongly put into the series of numbers and some number is missing in that series, we need to observe and find the accurate number to the series of numbers.
Number series is an arrangement of numbers in a certain order, where some numbers are wrongly put into the series of numbers and some number is missing in that series, we need to observe and find the accurate number to the series of numbers.
In competitive exams number series are given and where you need to find missing numbers. The number series come in different types. At first, you have to decide what type of series are given in papers and then you have to use shortcut tricks as fast as you can.
Different types of Number Series. There are some format of series which are given in Exams.
Different types of Number Series. There are some format of series which are given in Exams.
1). Perfect Square Series:
This Types of Series are based on square of a number which is in same order and one square number is missing in that given series.
Example 1: 441, 484, 529, 576?
Answer: 441 = 21*2, 484 = 22*2, 529 = 23*2, 576 = 24*2 , 625 = 25*2.
Example 1: 441, 484, 529, 576?
Answer: 441 = 21*2, 484 = 22*2, 529 = 23*2, 576 = 24*2 , 625 = 25*2.
2). Perfect Cube Series:
This Types of Series are based on cube of a number which is in same order and one cube number is missing in that given series
Example 2: 1331, 1728, 2197, ?
Answer : 11*3 , 12*3 , 13*3 , 14*3
3). Geometric Series:
This type of series are based on ascending or descending order of numbers and each successive number is obtain by multiplying or dividing the previous number with a fixed number.
Example 3: 5, 45, 405, 3645,?
Answer: 5 x 9 = 45, 45 x 9 = 405, 405 x 9 = 3645, 3645 x 9 = 32805.
4). Two stage Type Series:
A two tier Arithmetic series is one in which the differences of successive numbers themselves form an arithmetic series.
Example 4: i. 3, 9, 18, 35, 58,——
ii. 6, 9, 17, 23,———-
5). Mixed Series:
This type of series are more than one different order are given in a series which arranged in alternatively in a single series or created according to any non-conventional rule. This mixed series Examples are describes in separately.
Examples 5:
11, 24, 50, 102, 206, ?
Answer:
11 x 2 = 22 +2 = 24,
24 x 2 = 48 + 2 = 50,
50 x 2 = 100 + 2 = 102,
102 x 2 = 204 + 2 = 206,
206 x 2 = 412 + 2 = 414.
So the missing number is 414.
Directions (1-10): What will come in place of the question marks (?) in the following Number series?
1. 0, 6, 24, 60, 120, 210, ?
A. 336
B. 349
C. 312
D. 337
E. None of these
2. 11, 14, 19, 22, 27, 30, ?
A. 39
B. 34
C. 36
D. 35
E. None of these
1. 0, 6, 24, 60, 120, 210, ?
A. 336
B. 349
C. 312
D. 337
E. None of these
2. 11, 14, 19, 22, 27, 30, ?
A. 39
B. 34
C. 36
D. 35
E. None of these
3. 6, 12, 21, ? , 48
A. 33
B. 39
C. 36
D. 31
E. None of these
4. 18, 22, 30, ? ,78, 142
A. 44
B. 35
C. 46
D. 48
E. None of these
5. 73205, 6655, 605, 55, ?
A. 9
B. 5
C. 13
D. 11
E. None of these
6. 25, 100, ?, 1600, 6400
A. 400
B. 300
C. 360
D. 420
E. None of these
7. 125, ?, 343, 512, 729, 1000
A. 216
B. 215
C. 256
D. 225
E. None of these
8. 1 , 9 , 125 , 343 , ? , 1331
A. 730
B. 729
C. 512
D. 772
E. None of these
9. 121, 144, 169, ?, 225
A. 180
B. 172
C. 186
D. 196
E. None of these
10. ?, 2116, 2209, 2304, 2401, 2500
A. 2124
B. 1972
C. 1521
D. 2025
E. None of these
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