# Arnav buys a book costing Rs 600. If the rate of sales tax is 7%, then the total amount payable by him is Rs 642. Is the following statement true or false

**Solution:**

The cost of the book to Arnav is Rs. 600

Sales Tax which is calculated on the cost price.

Sales Tax Rate = 7%

Amount of Sales Tax = 7% of Rs. 600

= (7/100) × 600

= 7 × 6

= Rs. 42

Therefore the amount payable by Arnav is:

Cost Price + Sales Tax = Rs. 600 + Rs. 42

= Rs. 642

Hence the statement is true.

**✦ ****Try this**: Arnav buys a book costing Rs 600. If the rate of sales tax is 10%, then the total amount payable by him is Rs 660.

The cost of the book to Arnav is Rs. 600

Sales Tax which is calculated on the cost price.

Sales Tax Rate = 10%

Amount of Sales Tax = 10% of Rs. 600

= (10/100) × 600

= 10 × 6

= Rs. 60

Therefore the amount payable by Arnav is:

Cost Price + Sales Tax = Rs. 600 + Rs. 60

= Rs. 660

Hence the statement is true.

**☛ Also Check: **NCERT Solutions for Class 8 Maths Chapter 8

**NCERT Exemplar Class 8 Maths Sample Problem 9**

## Arnav buys a book costing Rs 600. If the rate of sales tax is 7%, then the total amount payable by him is Rs 642. Is the following statement true or false

**Summary:**

The amount payable by Arnav is Rs. 642. Hence the statement is true

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