- A30%, 3 ha
- B3%, 0.36 ha
- C37.5%, 4.5 ha
- D30%, 3.6 ha
Step-by-Step Solution
Rice : Wheat : Pulses , so wheat is of the farm. Area ha. (37.5% wrongly divides by 8, the rice and pulses parts only.)
Answer: D) 30%, 3.6 ha
The pie shows Ramesh's farm split into 10 equal parts by crop. What percentage of the farm grows wheat, and how many hectares is that?
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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