Three items are purchased at Rs.450 each. One of them is sold at a loss of 10%. The other two be sold so as to gain 20% on the whole transaction. What is the gain % on these two items ?

Explanation

To solve the problem step by step, we will follow these calculations:

### Step 1: Calculate the total cost of the three items.
The cost of each item is Rs. 450. Therefore, the total cost for three items is:
\[ \text{Total Cost} = \text{Cost per item} \times \text{Number of items} = 450 \times 3 = 1350 \text{ Rs.} \]

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