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      Question

      Three number series 'I', 'II' and 'III' are given

      below. Series 'I', and 'III' contain a missing term each namely 'P' and 'R', respectively, whereas series 'II' has an odd one out term (wrong number) namely 'Q'. I. 118, 145, 209, 334, P, 893 II. 537, 585, 634, 685, 738, 793 III. 12, 30, 90, R, 1260, 5670 Find the sixth term of a series whose first and second terms are (2R - P - 54) and 65, respectively, and follows the same pattern as series III. 
      A 12285 Correct Answer Incorrect Answer
      B 13010 Correct Answer Incorrect Answer
      C 14055 Correct Answer Incorrect Answer
      D 11275 Correct Answer Incorrect Answer
      E 12155 Correct Answer Incorrect Answer

      Solution

      Series I: 118 + 33 = 145 145 + 43 = 209 209 + 53 = 334 334 + 63 = 550 550 + 73 = 893 'P' = 550 Series II: 232 + 9 = 538 242 + 9 = 585 252 + 9 = 634 262 + 9 = 685 272 + 9 = 738 282 + 9 = 793 'Q' = 537 Series III: 12 x 2.5 = 30 30 x 3 = 90 90 x 3.5 = 315 315 x 4 = 1260 1260 x 4.5 = 5670 'R' = 315 2R - P - 54 = 2 x 315 – 550 – 54 = 630 – 604 = 26 26 x 2.5 = 65 65 x 3 = 195 195 x 3.5 = 682.5 682.5 x 4 = 2730 2730 x 4.5 = 12285

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