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A number, when 35 is subtracted from it, reduces to its 80 percent. What is fur-fifth of that number ?


Options:
A .  70
B .  90
C .  120
D .  140
Answer: Option D

Let the number be `x`.

Then, `x - 35 = 80/100 x   hArr  x - 80/100 x =  35   hArr  x = (35 xx 100)/(20)  =  175   hArr 4/5 x = 140`




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