1.

Which number decreased by 3.7% becomes 483 ?

Answer»

Let the number be x.3.7% of x=(3.7/100)× x=(37/1000)x=>x -(37/1000)x=483=>(1000-37)x/1000=483=>963x/1000=483=>x=(483×1000)/963=501.557

hence, the required number is 501.557.

but, answer is 500

here the answer is taken to be an approximate value '500'

ok thnx


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