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In a Nagpur cricket academy the batters are left-handed and right-handed in the ratio 3 : 22. What percent of the batters are left-handed?

Class 8Comparing QuantitiesComparing Quantities
  • A13.6%
  • B3%
  • C12%
  • D88%

Step-by-Step Solution

The ratio has 3 + 22 = 25 equal parts, so left-handers are of the whole = %. Trap: dividing by 22, the OTHER part instead of the 25-part total, gives 13.6%; 88% is the right-handed share and 3% just copies a ratio term.
Answer: C) 12%

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.

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