Question : Directions: In the following question a series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series.
10, 29, 66, 127, ?
Option 1: 330
Option 2: 115
Option 3: 218
Option 4: 273
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Correct Answer: 218
Solution :
Given:
10, 29, 66, 127, ?
The pattern is as follows –
2
3
+ 2 = 8 + 2 = 10; 3
3
+ 2 = 27 + 2 = 29; 4
3
+ 2 = 64 + 2 = 66; 5
3
+ 2 = 125 + 2 = 127
The next term will be the cube of 6 and the resultant is added to 2.
= 6
3
+ 2 = 216 + 2 = 218
The next term is 218. Hence, the third option is correct.
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