A number,when 35 is subtracted from it, reduces to its 80 percent. What is four-fifth of that number ?
A number,when 35 is subtracted from it, reduces to its 80 percent. What is four-fifth of that number ? Correct Answer 140
Let the number be x. Now, According to question x - 35 = 80% of x ⇒ x - 35 = 80x100 ⇒ x - 80x100 = 35 ⇒100x - 80x100 = 35 ⇒ 20x = 35×100 ⇒x = 35×10020 ⇒ x = 175 ⇒ ∴45x = 140
মোঃ আরিফুল ইসলাম
Feb 20, 2025