Question

find the wrongly placed number in the series: 9, 22, 52, 116, 244, 516

• A. 22
• B. 52
• C. 116
• D. 244

Answer 1

Answer:

D. 244

9 × 2 + 4 = 22 22 × 2 + 8 = 52 52 × 2 + 12 = 116 116 × 2 + 16 = 248 248 × 2 + 20 = 516