48,28,36,70,172,...............
find next number
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Answer:
494 is the correct answer students..
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Given : 48,28,36,70,172,?
To Find : what in place of question mark
Solution:
48
48 * 1 /2 + 2² = 24 + 4 = 28
28 * 2/2 + 2³ = 28 + 8 = 36
36 * 3 /2 + 2⁴ = 54 + 16 = 70
70 * 4/2 + 2⁵ = 140 + 32 = 172
172 * 5/2 + 2⁶ = 430 + 64 =494
494 will come at ?
Logic
Tₙ₊₁ = Tₙ * n /2 + 2ⁿ⁺¹ where T₁ = 48
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