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      Question

      The average daily income of a daily wage worker, in the

      month of April is Rs. 150. If his average income on 1st 12 days of the month is Rs. 80 and on last 16 days of the month is Rs. 120, then find his average income on remaining two days of the month.
      A Rs. 810 Correct Answer Incorrect Answer
      B Rs. 800 Correct Answer Incorrect Answer
      C Rs. 710 Correct Answer Incorrect Answer
      D Rs. 610 Correct Answer Incorrect Answer
      E Rs. 700 Correct Answer Incorrect Answer

      Solution

      His total income in the month = 30 × 150 = Rs. 4500
      His income of 1st 12 days = 12 × 80 = Rs. 960
      His income in last 16 days = 16 × 120 = Rs. 1920
      Therefore, his income in the remaining two days = 4500 – (960 + 1920) = Rs. 1620
      Required average = (1620/2) = Rs. 810

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