BPSC – Combined Competitive Examination · Question 145
What should come in place of the question mark (?) in the series 132, 156, ?, 210, 240, 272?
Show answer & explanation
Answer: (B) 182
Explanation
Terms are n(n+1): 11×12, 12×13, 13×14, 14×15, 15×16, 16×17.
- (A) Incorrect
Wrong: differences must be 24, 26, 28, 30, 32.
- (B) Correct
Correct: 156 + 26 = 182; also 13 × 14 = 182.
- (C) Incorrect
Wrong: does not fit.
- (D) Incorrect
Wrong: does not fit.