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      Question

      P spends 20% of his monthly income in travelling. He

      spends 25% of his monthly income on household expenses and spends 15% of his monthly income on families medical expenses. He has remaining amount of Rs. 10040 as cash with him. What is P's annual income?
      A Rs. 316800 Correct Answer Incorrect Answer
      B Rs. 301200 Correct Answer Incorrect Answer
      C Rs. 240840 Correct Answer Incorrect Answer
      D Rs. 316500 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Let P's monthly income be Rs. 100. Total expenditure = (20 + 25 + 15)% = 60% ∴  Savings = (100 – 60)% ×  100 = Rs. 40 Now, 40 : 100 : : 10040 : x ⇒ x = (100 × 10040)/40  = Rs. 25100 P's monthly income = Rs. 25100 ∴  P's annual income = Rs. 12 × 25100  =  Rs. 301200

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