A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
0.5, 4, 13.5, 62.5, 171.5,?, 1098.5
A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
0.5, 4, 13.5, 62.5, 171.5,?, 1098.5
1). 660
2). 665.5
3). 665
4). 664.5
2 answers
Answered by
Guest on
2019-07-17 10:44:33 | Votes
3 |
#
Number in a series is half of cube of prime numbers starting from 1
13 = 1 = ½ = 0.5
23 = 8 = 8/2 = 4
33 = 27 = 27/2 = 13.5
53 = 125 = 125/2 = 62.5
73 = 343 = 343/2 = 171.5
113 = 1331 = 1331/2 = 665.5
133 = 2197 = 2197/2 = 1098.5
Hence, 665.5 is the correct answer.
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Answered by
Mohit Bhardwaj on
2020-06-17 03:40:00 | Votes
2 |
#
Yes it is correct. Well done and well explained.
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