Rice is now being sold at Taka 20 a kg. During last month its rate was Taka 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?

1. Rice is now being sold at Taka 20 a kg. During last month its rate was Taka 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?

[Pubali Bank Junior Officer -2013 : 2013]

1. 20%

2. 15%

3. 40%

4. 25%

5. None of them

Answer

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