Take a Look at this series :
- = 8 - 4 = 4
- = 27 - 9 = 18
- = 64 - 16 = 48
- = 125 - 25 = 100
- = 216 - 36 = 180
- = 343 - 49 = 294
- = 512 - 64 = 448
Fiest series : 3, 5, 7, 9
Second series : 5, 19, 41, ?
Difference of Second series are 14, 22, 30 etc
Next term is 41+30 i.e equal to 71
Each term of the series is the product of the preceding two terms
So, 5000 is wrong and it must be replaced by (500*50) = 25000
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