To Find the Original Price of Mobile from the Price inclusive General Sale Tax (GST) (WP-2: General Sale Tax - GST)

The price of a mobile is Rs.8,800 inclusive of a 10% GST. What is the original price of the mobile?



Given:

Price of the Mobile = Rs. 8,800
GST Rate = 10%
Price % of the mobile including GST will become = 100% + 10% = 110%


To Find:

Original Price of Mobile =?



Solution:


1st Method:  (By using the unitary method)


110% price of the mobile = Rs. 8,800


1% price of the mobile =  
`{\frac {Rs.8800}{110}}`


100 % price of the mobile =`{\frac {Rs.8800}{110}}` x 100


100 % price of the mobile= Rs.8,000
Thus, the original price of the mobile is Rs.8,000.



2nd Method:  (By using the formula)


The general equation used to calculate the GST amount:




To find the Original price of an Article (bicycle) from the above equation by using basic mathematics rules will be.



So, By putting values


Original price of an Article (Mobile)= `{\frac {Rs.8800}{110}}` x 100


Original price of an Article (Mobile)= Rs.8,000


Thus, the original price of the mobile is Rs.8,000.

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