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    5. When a number is increased by 20% then the number obtained is 72 less than thrice the original numbe

    Question

    When a number is increased by 20% then the number

    obtained is 72 less than thrice the original number. Find the original number.
    A 20 Correct Answer Incorrect Answer
    B 30 Correct Answer Incorrect Answer
    C 40 Correct Answer Incorrect Answer
    D 50 Correct Answer Incorrect Answer

    Solution

    Let the original number be ‘x’. According to the question, => x × 1.2 + 72 = 3x => x = 40

    Practice Next
      More No. System Questions
    • Statements: J < K < M = L, D = E > F, F ≥ G < H = I > J

      Conclusions:

      I. D > K

      II. I < L

      III. E > J

    • Statements:  V ≥ W > X = Y, C > D = E ≥ V

      Conclusions :I. E ≥ W      II. D ≥ Y     III. C > V

    • Statements: D ≥ E < F = G; M < E = N ≥ O

      Conclusions: I. G > M II. N < G

    • Statements: E ≥ F ≥ A ≤ W, N ≥ M ≥ Y = E

      Conclusion:

      I. N > W

      II. Y ≥ A

    • Statements:        X @ Y % M % N; M $ P $ Z

      Conclusions :      I.  Y % Z                II. X @ N          �...

    • How is L related to O?
    • Statements: B % C & Q @ F $ D; R % B # S

      Conclusions :          I. D % C                 II. B % Q        III. R @ ...

    • Statements:  S * K, T $ K, K @ B

      Conclusions:      a) S $ B                  b) S @ B

      ...
    • Statements: P > Q ≥ R > S; U ≥ T < S; V > U

      Conclusions:

      I. P > V

      II. Q > T

      III. P ≤ U 

    • Statements: P < Q = R ≥ S = T; R < U; R = W

      Conclusion: I. W ≥ T II. U < P

      ...

    Relevant for Exams:

    • RBI Grade B
    • FCI Assistant Grade 3

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