A number is increased by 25% and then decreased by 30%. The net increa

1.	A number is increased by 25% and then decreased by 30%. The net increase or decrease in % is:1. Increment 8.5%2. Decrement 8.5%3. Decrement 12.5%4. Increment 12.5%
Answer» Correct Answer - Option 3 : Decrement 12.5% Given: Increment in the number = 25% Decrement in the number = 30% Formula Used: Net increase/decrease = Increase% – Decrease% - (Increase %× Decrease%)/100 Calculation: Net increase/decrease = Increase% – Decrease% - (Increase %× Decrease%)/100 ⇒ 25 – 30 – (30 × 25)/100 ⇒ - 5 – 7.5% ⇒ - 12.5% ∴ Net decrement is 12.5%. The correct option is 3 i.e. Decrement 12.5%

A number is increased by 25% and then decreased by 30%. The net increase or decrease in % is:1. Increment 8.5%2. Decrement 8.5%3. Decrement 12.5%4. Increment 12.5%

Answer» Correct Answer - Option 3 : Decrement 12.5%

Given:

Increment in the number = 25%

Decrement in the number = 30%

Formula Used:

Net increase/decrease = Increase% – Decrease% - (Increase %× Decrease%)/100

Calculation:

Net increase/decrease = Increase% – Decrease% - (Increase %× Decrease%)/100

⇒ 25 – 30 – (30 × 25)/100

⇒ - 5 – 7.5%

⇒ - 12.5%

∴ Net decrement is 12.5%.

The correct option is 3 i.e. Decrement 12.5%

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A number is increased by 25% and then decreased by 30%. The net increase or decrease in % is:1. Increment 8.5%2. Decrement 8.5%3. Decrement 12.5%4. Increment 12.5%

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