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