8

Chapter 8 - Comparing Quantities Exercise Ex. 8.1

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Chapter 8 - Comparing Quantities Exercise Ex. 8.2

Solution 1

Solution 2

Solution 3

Let the original price of an article be Rs. 100. GST = 18%.

Price after GST included = Rs. (100 + 18) = Rs. 118

When selling price is Rs. 118 then original price = Rs. 100

When selling price is Rs. 1239 then original price

=

Therefore the price of an article before GST was added is Rs. 1050.

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Chapter 8 - Comparing Quantities Exercise Ex. 8.3

Solution 1

Solution 2

Solution 3

Solution 4

Solution 5

Solution 6

Solution 7

Solution 8

Solution 9

Solution 10

Solution 11

Solution 12