Question

15 , 16 , 20 , 29 , ____

• A. 38
• B. 42
• C. 45
• D. 54

Answer 1

Answer:

C. 45

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