# Word Problem 2

Problem 2: A man sells two houses for Rs 3990 each. On one he gains 5% and on the other he loses 5%. Find his gain or loss.

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Solution:

Here gain means profit.

Case 1 ( Profit)

Sale Price (SP)=3990

Cost Price (CP)=x

Profit (P)=?

We use profit formula here;

But given he earns profit 5% (of cost price) i-e

or

Put  values in above formula;

Here we calculate value of ‘x’ i-e the cost price

So cost price of house is 3800 rupees

So,

So he gained Rs 190 for one house.

Case 2 (Loss)

Let cost price for second house = y Rs

CP = Y

SP=3990

Here we use Loss (L) formula

Loss is given to be 5% (of cost price) i-e

or

Put values in above formula

So cost price for second house is Rs 4200

So,

So the loss for second house is Rs 210

Net Gain or Gain

Net gain or profit is calculated by subtracting profit from loss or loss from profit (which ever is bigger)

Here loss is bigger than profit ,

So,

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