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# If a % is the discount per cent on a marked price x, then discount is

(a) x/a × 100

(b) a/x × 100

(c) x × a/100

(d) 100/ x × a

**Solution:**

Discount is always calculated on the marked price. Therefore if the discount rate is a% on the marked price x then:

Discount = a% of x

= (a/100) × (x)

**✦ ****Try this:** If a% is the discount and the discounted price is x then the marked price is:

Let the marked price be MP. Then we have:

a% of MP = discount

Discounted Price = MP - a% of MP

= x

MP - (a/100) × MP = x

MP(1 - a/100) = x

MP = x/(1 - a/100)

**☛ Also Check: **NCERT Solutions for Class 8 Maths Chapter 8

**NCERT Exemplar Class 8 Maths Chapter 9 Problem 7**

## If a % is the discount per cent on a marked price x, then discount is (a) x/a × 100, (b) a/x × 100, (c) x × a/100, (d) 100/ x × a

**Summary:**

If a % is the discount per cent on a marked price x, then discount is(x) ×(a/100)

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