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WBCS Preliminary Examination 2022 — General Studies · Question 191 of 200

Q191
ArithmeticNumber Series & Progressions
The next term in the sequence 4, 10, 22, 46 is
  1. a.56
  2. b.66
  3. c.94
  4. d.92

Answer: (C) 94

The pattern is: each term = (previous term × 2) + 2. Check: 4×2+2=10 ✓, 10×2+2=22 ✓, 22×2+2=46 ✓. Next: 46×2+2 = 94.