- A20%
- B25%
- C160%
- D80%
Step-by-Step Solution
Increase . Percentage increase is on the old value: . Dividing by the new value 800 gives the wrong 20%.
Answer: B) 25%
The bar picture shows how many students joined Sunrise School in Nagpur in 2024 and in 2025. By what percentage did the enrolment increase?
Class 8Comparing QuantitiesComparing Quantities
Key idea: Discount
A discount is a reduction off the **marked price** (MP), not the cost price. The selling price (SP) is what the customer actually pays.
**SP = MP − Discount**
**Discount % = (Discount / MP) × 100**
Example: shirt MP ₹800, discount 25%. Discount amount = 25% of 800 = 200. SP = 800 − 200 = 600.
Note: discount % is calculated on MP. Profit/loss % (Class 7) is on CP. Don't mix them up.
**SP = MP − Discount**
**Discount % = (Discount / MP) × 100**
Example: shirt MP ₹800, discount 25%. Discount amount = 25% of 800 = 200. SP = 800 − 200 = 600.
Note: discount % is calculated on MP. Profit/loss % (Class 7) is on CP. Don't mix them up.
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