Perfect Cube Series
Perfect cube series is a arrangement of numbers in a certain order,where some numbers 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.
we need to observe and find the accurate number to the series of numbers. This type of problem are given in Quantitative Aptitude which is a very essential paper in banking exam.Under below given some more example for your better practice.
All numbers are arranged in sequence order. we need to observe and find the accurate number to this type series of numbers. Here we learn the perfect cube series of Example.
This type of problem are given in Quantitative Aptitude which is a very essential in banking exam. Under below given some more example for your better practice.
Basic concept of Perfect Cube Series
In perfect cube series number is a combination of cube number are arranged. In example 1) 1331, 1728, 2197, ? where you need to count them in a one step or two step calculation for obtain the difference common result according with the series of ratio numbers.
At first you can calculate missing number in ratio series and that you place the actual missing number in the ? or missing place. Be prepared when you calculate differences because it is either one or two step calculation. So when you calculate and get result of two difference numbers you need follow some step wise.
At first calculate the first number cube value and second number cube value if all number are maintain a sequential order cube value then follow same steps which is carry up to last and after that you get actual missing number by finding the common value when you put the missing number you have noticed that all series numbers are common difference in between them.
This kind of missing series calculation you go thorough some common calculation shortcut tricks using cube and cube shortcut tricks, or you memorize the 1 to 30 cube series number value.
In this type series example questions, it is sounds hard, but it really isn’t. Get it? Once you have done this, by practice with more example then you just easily can do in your way as well competitive and as in bank exam also . So, each of our examples are given below.
Example #1 – Perfect Cube Series
3375, ? , 24389, 46656, 79507
- 10442
- 10648
- 11976
- 18002
Show Answer Show How to Solve Open Rough Workspace
153 = 3375
223 = 10648
293 = 24389
363 = 46656
433 = 79507
(Each cube digit added with 7 to become the next cube number)
Example #2 – Perfect Cube Series
729, 6859, 24389, ? , 117649, 205379
- 58937
- 52335
- 55324
- 59319
Show Answer Show How to Solve Open Rough Workspace
93 = 729
193 = 6859
293 = 24389
393 = 59319
493 = 117649
593 = 205379
(Each cube digit added with 10 to become the next cube number)
Example #3 – Perfect Cube Series
1000, 8000, 27000, 64000, ?
- 125000
- 156000
- 132000
- 163000
Show Answer Show How to Solve Open Rough Workspace
103 = 1000
203 = 8000
303 = 27000
403 = 64000
503 = 125000
(Each cube digit added with 10 to become the next cube number)
Example #4 – Perfect Cube Series
1331, ? , 35937, 85184, 166375
- 10539
- 10538
- 10649
- 10648
Show Answer Show How to Solve Open Rough Workspace
113 = 1331
223 = 10648
333 = 35937
443 = 85184
553 = 166375
(Each cube digit added with 11 to become the next cube number)
Example #5 – Perfect Cube Series
125, ? , 343, 512, 729, 1000
- 208
- 216
- 224
- 285
Show Answer Show How to Solve Open Rough Workspace
53 = 125
63 = 216
73 = 343
83 = 512
93 = 729
103 = 1000
Example #6 – Perfect Cube Series
1, 27, 125, 343, ? , 729
- 512
- 545
- 487
- 590
Show Answer Show How to Solve Open Rough Workspace
13 = 1
33 = 27
53 = 125
73 = 343
83 = 512
93 = 729
Example #7 – Perfect Cube Series
125, ? , 343, 512, 729, 1000
- 196
- 267
- 216
- 268
Show Answer Show How to Solve Open Rough Workspace
53 = 125
63 = 216
73 = 343
83 = 512
93 = 729
103 = 1000
Example #8 – Perfect Cube Series
8, 64, ? , 512, 1000, 1728
- 274
- 174
- 357
- 216
Show Answer Show How to Solve Open Rough Workspace
23 = 8
43 = 64
63 = 216
83 = 512
103 = 1000
123 = 1728
(Each cube digit added with 2 to become the next cube number)
Example #9 – Perfect Cube Series
4096, 4913, 5832, ? , 8000
- 6163
- 6859
- 6234
- 7356
Show Answer Show How to Solve Open Rough Workspace
163 = 4096
173 = 4913
183 = 5832
193 = 6859
203 = 8000
Example #10 – Perfect Cube Series
1331, ? , 29791, 68921, 132651
- 9261
- 8343
- 7252
- 6325
Show Answer Show How to Solve Open Rough Workspace
113 = 1331
213 = 9261
313 = 29791
413 = 68921
513 = 132651
(Each cube digit added with 10 to become the next cube number)
Example #11
1331, 1728, 2197, ?
- 2584
- 2744
- 2832
- 3034
Show Answer Show How to Solve Open Rough Workspace
113 = 1331
123 = 1728
133 = 2197
143 = 2744
Example #12
1728, 1331, ? , 729, 512
- 300
- 900
- 990
- 1000
Show Answer Show How to Solve Open Rough Workspace
123 = 1728
113 = 1331
103 = 1000
93 = 729
83 = 512
Example #13
1000, 8000, ? , 64000, 125000
- 21000
- 25000
- 27000
- 31000
Show Answer Show How to Solve Open Rough Workspace
103 = 1000
203 = 8000
303 = 27000
403 = 64000
503 = 125000
(Each cube digit added with 10 to become the next cube number)
Example #14
125000, 64000, ? , 8000, 1000
- 18000
- 23000
- 27000
- 35000
Show Answer Show How to Solve Open Rough Workspace
503 = 125000
403 = 64000
303 = 27000
203 = 8000
103 = 1000
(Each cube digit is decreased by 10 to become the next cube number)
Other Types of Number Series
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hi admin, can u give me detailed description in this cube number series, as it is not much clear to me
very nice
But sir Jaime kisi particular disit ka cube puche to jaise 21ka kya hoga uska kaise nikale
6 question is wrong given here
TRICK: For Cubes:
Look last digit, if it is (0, 1, 4, 5, 6, 9) then it is cube of a number ending with same otherwise if cube ends with (2, 3, 7, 8) then it is cube of a number ending with (8, 7, 3, 2) i.e. [10 – last digit] respectively.
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