Question 87

The cost of 25 items is the same as the revenue earned by selling x items. Find x, if the profit made in the transaction is 25%.

Solution

Let say, cost price of each item is c and selling price of each item p.

So, $$25c=xp.$$

And,

$$xp-xc=0.25xc$$

or, $$p=1.25c.$$

So, $$25c=x\times1.25c\ .$$

or, $$x=\frac{25c}{1.25c}=20.$$

C is correct choice.

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