Sonam purchased a mobile phone for ₹27,000 and sold it at a loss of 19%. With that money she purchased a Tablet and sold it at a gain of 20%. What is her overall gain or loss?

Step 1: Calculate the selling price of the mobile phone
Cost Price of Mobile (CP
1
​
) = ₹27,000
Loss percentage = 19%

Selling Price of Mobile (SP
1
​
) = 27000×(1−
100
19
​
)=27000×0.81=₹21,870

Step 2: Calculate the selling price of the Tablet
The money obtained from selling the phone is used to purchase the Tablet.
Cost Price of Tablet (CP
2
​
) = ₹21,870
Gain percentage = 20%

Selling Price of Tablet (SP
2
​
) = 21870×(1+
100
20
​
)=21870×1.2=₹26,244

Step 3: Determine the overall gain or loss
Initial total investment = ₹27,000
Final total amount realized = ₹26,244

Since Initial CP> Final SP, there is an overall loss.

Overall Loss=27000−26244=₹756
Hence, there is an overall loss of ₹756.