If a book costs Rs. 150 and is on a 20% discount, what is the sale price? (2023)

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Question: If a book costs Rs. 150 and is on a 20% discount, what is the sale price? (2023)

Options:

Correct Answer: 120

Exam Year: 2023

Solution:

Discount = 20% of 150 = 150 * 20 / 100 = 30. Sale price = 150 - 30 = 120.

If a book costs Rs. 150 and is on a 20% discount, what is the sale price? (2023)

If a book costs Rs. 150 and is on a 20% discount, what is the sale price? (2023)

Step 1: Identify the original price of the book, which is Rs. 150.
Step 2: Determine the discount percentage, which is 20%.
Step 3: Calculate the discount amount by multiplying the original price by the discount percentage: 150 * 20 / 100.
Step 4: Perform the calculation: 150 * 20 = 3000, then divide by 100 to get the discount amount, which is Rs. 30.
Step 5: Subtract the discount amount from the original price to find the sale price: 150 - 30.
Step 6: Perform the subtraction: 150 - 30 = Rs. 120.

Percentage Calculation – Understanding how to calculate a percentage of a given amount and apply it to find discounts.
Subtraction – Performing basic subtraction to find the final sale price after applying the discount.