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15 , 16 , 20 , 29 , ____

A38

B42

C45

D54

Answer:

C. 45

Read Explanation:

15 + 1² =15 + 1= 16 16 + 2²= 16 + 4 =20 20 + 3² =20 + 9 = 29 29 + 4² =29 + 16 = 45

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