1.

Water tax is increased by 20% but its consumption is decreased by 20%. Then the increase or decrease in the expenditure of the money is1). 5% decrease2). 4% decrease3). No change4). 4% increase

Answer» 4% DECREASE{20+(-20)+(20)(-20)/100}%=> {-400/100}%=> {-4}%so 4% decrease


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