Question : The marked price of one pen is Rs. 'x'. The selling price of one packet of 'x' pens, after a discount of 15%, is Rs.1,360. What is the value of 'x'?
Option 1: 20
Option 2: 40
Option 3: 30
Option 4: 45
Correct Answer: 40
Solution :
Given,
The marked price of one pen is Rs. x
Discount is given: 15%
Selling price of one packet of 'x' pens after discount: Rs. 1,360
We know,
Selling price = Marked price - Discount
Now, the marked price of x pens = x
2
So, according to the question
⇒ 85% of x
2
= 1360
⇒ x
2
= $\frac{1360 \times 100}{85}$
⇒ x
2
= 1600
⇒ x = 40
Hence, the correct answer is 40.
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