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      Question

      Kalpana allocates 30% of her monthly income to

      educational expenses and spends 60% of what remains on clubbing activities. If she spends Rs. 3024 on clubbing, how much does she spend on her studies each month?
      A Rs. 2100 Correct Answer Incorrect Answer
      B Rs. 2250 Correct Answer Incorrect Answer
      C Rs. 2160 Correct Answer Incorrect Answer
      D Rs. 2880 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let monthly income of Kalpana is Rs. 100x According to question; 0.70 Γ— 0.60 Γ— 100x = 3024 Or, 42x = 3024 Or, x = 72 Amount spent on study = 0.30 Γ— 72 Γ— 100 = Rs. 2160

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