The marked price of an electronic watch in a store is ₹ 15,620 and it is available at a discount of 27%. What is the price (in ₹, to the nearest tens) that a customer pays if he buys from the store?

The correct option is 11,400.

To find the price a customer pays for the watch after the discount, we can follow these steps:

Step 1: Identify the given information
Marked Price (MP) of the watch = ₹ 15,620
Discount percentage = 27%

Step 2: Calculate the discount amount
The discount amount is calculated by finding 27% of the marked price:

$\text{Discount}=\frac{27}{100}\times 15620$

$\text{Discount}=0.27\times 15620=4217.4$

So, the discount amount is ₹ 4,217.4.

Step 3: Calculate the selling price (price paid by the customer)
The selling price is obtained by subtracting the discount amount from the marked price:

$\text{Selling Price}=\text{Marked Price}-\text{Discount}$

$\text{Selling Price}=15620-4217.4=11402.6$

Step 4: Round to the nearest tens
The calculated price is ₹ 11,402.6. Rounding this value to the nearest tens place gives ₹ 11,400.

Therefore, the customer pays ₹ 11,400.