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Question

What is the difference in the telephone bill over 4 months, if the number of minutes for the first period is 4000 and the number of minutes for the second period is 2500?___
  1. 1668
  2. 1500
  3. 1800
  4. 1750


Solution

The correct option is B 1500

4000 minutes can be calculated as (1725×0.8)+(2000) = Rs 3380

2500 minutes can be calculated as (1725×0.8)+(500) = Rs 1880

Difference = 3380-1880 = 1500

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