Question
What will come in placer of question mark (?) in the given number series ?
17 9 15 40 143.5 ?
Answer: Option C
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Submit Your Solution Below and Earn Points !
2.27083x^4 -12.7917x^3 +29.47917x^2 -26.9583x +17
(0, 17), (1, 9), (2, 15), (3, 40), (4, 143.5)
(5, 439.5)
(17x1+1)/2= 9 (9x3+3)/2= 15 (15x5+5)/2=40 (40x7+7)/2 (143x9+9)/2=650.25