Question

a person gets electrical goods worth 7500 he gets a rebate of 5% on the bill if the sale tax at the rate of 5% is charged find the amount he will have to pay for the bill

Answer 1

Goods... : 7500
Tax..... : 375 (7500 × 0.05)
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Total... : 7875
Discount : 375 (7500 × 0.05)
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Net. . . : 7500
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Having said that, I'm not your professor, and s/he may have asked for a different calculation, like this:
:
Goods. . . . : 7500
Discount. . .: 375
---------------------
Sub-total . .: 7125
Tax . . . . .: 356.25
----------------------------
Total. . . . : 7481.25
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Answer 2

Answer:

Amount he pay for bill of that item is Rs. 7500

Step-by-step explanation:

The Cost price of Item = Rs. 7500

Discount / rebate Percentage he get on it = 5%

Sales tax Percentage he has to pay = 5%

Amount of Discount he get = 5% of 7500 = $\frac{5}{100}\times7500$ = Rs. 375

Amount of Tax he pay = 5% of 7500 = $\frac{5}{100}\times7500$ = Rs. 375

⇒ Amount he for the bill = 7500 + 375 - 375 = Rs. 7500

Therefore, Amount he pay for bill of that item is Rs. 7500