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.
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.
Perfect Cube Series Tricks:
Example 1 : 1331 , ? , 35937 , 85184 , 166375
Answer : 113 , 223 , 333 , 443 , 553
Example 2 : 125, ?, 343, 512, 729, 1000
Answer : 125 = 53 , 216 = 63, 343 = 73, 512 = 83, 729 = 93, 1000 = 103.
Example 3 : 1 , 9 , 125 , 343 , ? , 729
Answer : 13 , 33 , 53 , 73 , 83 , 93
Example 4 : 125, ?, 343, 512, 729, 1000
Answer: 125 = 53, 216 = 63, 343 = 73, 512 = 83, 729 = 93, 1000 = 103.
Example 5 : 8 , 64 , ? , 512 , 1000 , 1728
Answer : 23 , 43 , 63 , 83 , 103 , 123
Example 6 : 4096, 4913, 5832, ?, 8000
Answer: 4096 = 163, 4913 = 173, 5832 = 183, 6859 = 193, 8000 = 203.
Example 7 : 1331 , ? , 29791 , 68921 132651
Answer : 113 , 213 , 313 , 413 , 513
Example 8 : 1331, 1728, 2197, ?
Answer: 1331 = 113, 1728 = 123, 2197 = 133, 2744 = 143.
Example 9: 1728, 1331, ?, 729, 512
Answer: 1728 = 123, 1331 = 113, 1000 = 103, 729 = 93, 512 = 83.
Example 10 : 1000 , 8000 , ? ,64000 , 125000
Answer : 103 , 203 , 303 , 403 , 503
Example 11 : 125000 , 64000 , ? , 8000 , 1000
Answer : 503 , 403 , 303 , 203 , 103
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 : 1331 , ? , 35937 , 85184 , 166375
Answer : 113 , 223 , 333 , 443 , 553
Example 2 : 125, ?, 343, 512, 729, 1000
Answer : 125 = 53 , 216 = 63, 343 = 73, 512 = 83, 729 = 93, 1000 = 103.
Example 3 : 1 , 9 , 125 , 343 , ? , 729
Answer : 13 , 33 , 53 , 73 , 83 , 93
Example 4 : 125, ?, 343, 512, 729, 1000
Answer: 125 = 53, 216 = 63, 343 = 73, 512 = 83, 729 = 93, 1000 = 103.
Example 5 : 8 , 64 , ? , 512 , 1000 , 1728
Answer : 23 , 43 , 63 , 83 , 103 , 123
Example 6 : 4096, 4913, 5832, ?, 8000
Answer: 4096 = 163, 4913 = 173, 5832 = 183, 6859 = 193, 8000 = 203.
Example 7 : 1331 , ? , 29791 , 68921 132651
Answer : 113 , 213 , 313 , 413 , 513
Example 8 : 1331, 1728, 2197, ?
Answer: 1331 = 113, 1728 = 123, 2197 = 133, 2744 = 143.
Example 9: 1728, 1331, ?, 729, 512
Answer: 1728 = 123, 1331 = 113, 1000 = 103, 729 = 93, 512 = 83.
Example 10 : 1000 , 8000 , ? ,64000 , 125000
Answer : 103 , 203 , 303 , 403 , 503
Example 11 : 125000 , 64000 , ? , 8000 , 1000
Answer : 503 , 403 , 303 , 203 , 103
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