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The cost of a pen is twice that of a pencil . If you buy x pens for TK. y how many pencils can you buy with Tk. (x+y) ?

\frac{x (x + y)}{y}

\frac{4 x^{2} y}{x + y}

\frac{(x^{2} + x y)}{0.5 y}

\frac{2 x y^{2}}{y}

ANS : 3

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