Correct option is D
Wrong term = 289
Pattern of series:
8 × 2 + 1 = 17
17 × 2 + 1 = 35
35 × 2 + 1 = 71
71 × 2 + 1 =143
143 × 2 + 1 =
287
287 × 2 + 1 = 575
Wrong term = 289
Pattern of series:
8 × 2 + 1 = 17
17 × 2 + 1 = 35
35 × 2 + 1 = 71
71 × 2 + 1 =143
143 × 2 + 1 =
287
287 × 2 + 1 = 575
Find out the wrong number.
2, 20, 132, 665, 2664, 7995, 15992
Suggested Test Series
Suggested Test Series