If the cost price of an article is 80% of its selling price. Then find

1.	If the cost price of an article is 80% of its selling price. Then find the profit%? 1. 27%2. 25%3. 20%4. 30%
Answer» Correct Answer - Option 2 : 25% Given: CP = 80% of SP Formula used: Profit% = (SP – CP)/CP × 100 Calculation: CP = 80% of SP ⇒ CP = 80/100 × SP ⇒ CP = 4/5 × SP ⇒ CP/SP = 4/5 ⇒ SP/CP = 5/4 ⇒ SP/CP – 1 = 5/4 – 1 [Subtract 1 both sides] ⇒ (SP – CP)/CP = (5 – 4)/4 ⇒ (SP – CP)/CP × 100 = 1/4 × 100 ⇒ Profit% = 25% [Profit% = (SP – CP)/CP × 100] ∴ Profit% is 25%.

If the cost price of an article is 80% of its selling price. Then find the profit%? 1. 27%2. 25%3. 20%4. 30%

Answer» Correct Answer - Option 2 : 25%

Given:

CP = 80% of SP

Formula used:

Profit% = (SP – CP)/CP × 100

Calculation:

CP = 80% of SP

⇒ CP = 80/100 × SP

⇒ CP = 4/5 × SP

⇒ CP/SP = 4/5

⇒ SP/CP = 5/4

⇒ SP/CP – 1 = 5/4 – 1 [Subtract 1 both sides]

⇒ (SP – CP)/CP = (5 – 4)/4

⇒ (SP – CP)/CP × 100 = 1/4 × 100

⇒ Profit% = 25% [Profit% = (SP – CP)/CP × 100]

∴ Profit% is 25%.

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If the cost price of an article is 80% of its selling price. Then find the profit%? 1. 27%2. 25%3. 20%4. 30%

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