Question

A shopkeeper, in order to clear his old stock of TV sets, offers 12% discount on the TV sets.If he marked price of a TV set is₹6500, find the selling price of the TV set.​

Answer 1

Answer:

Rate of discount = 12%

∴ S.P. of TV set

= 6500 × (100 – 12)%

=

6500 × 88

= Rs.5720

100

Second method :

Here, D = 12%,

M.P. = Rs. 6500, S.P. = ?

M.P. =

S.P. × 100

100 − D

6500 =

S.P. × 100

100 − 12

S.P. =

6500 × 88

100

S.P. = Rs. 5720

Answer 2

Given information

• ↠ Discount on the TV sets = 12%
• ↠Marked prices of TV sets = Rs.6500

What we have to calculate

• ↠We have to calculate Selling price of the TV set

How we calculate

• ↠ Assume a variable (unknown) eg : x or y
• ↠According to the given statement setup the equation in terms of x or y
• ↠Then solve equation

Let's us assume

• ↠ Let's the Discount on TV set is Rs.x

Forming an equation

• ↠ Discount offers added discount prices equal Marked prices of a TV set

Therefore

• ↠ 12% + x = 6500

Solving equation

⭕As we know the formula of Finding Discount prices Discount % × Marked prices

• Submitting values

➥ x + 12% = 6500

• transferring sides

➥ x = 6500 × 12%

• 12 % write as 12/100

➥ x = 6500 × 12/100

• on multiplying

➥ x = 78000/100

• Dividing 78000 by 100

➥ x = 780

The Discount price of TV set is Rs.780

$\rule{72mm}{1mm}$

Finding Selling price

⭕We know to find Selling price We have to subtract Discount prices by Marked prices

• Submitting values

➥ Selling price = 780 - 6500

• On subtracting

➥Selling price = 5,720

Hence the Selling price of TV set is Rs. 5720

____________________

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