- A65%
- B35%
- C3.5%
- D30%
Step-by-Step Solution
Shaded: 3 full columns of 10 and 5 more squares out of 100 squares, so .
Answer: B) 35%
The big square is made of 100 small squares. What percentage of it is shaded?
Class 7Comparing QuantitiesComparing Quantities
Key idea: Reading the question carefully
Three things to check before you compute:
1. **What's being asked?** Profit % needs CP and SP. SI needs P, R, T.
2. **What units are the inputs in?** Time in months → convert to years (divide by 12). Rate already per annum → leave it.
3. **What's the base of the percentage?** Profit/loss % is on COST price, not selling price. Discount % is on MARKED price, not on what you actually paid.
1. **What's being asked?** Profit % needs CP and SP. SI needs P, R, T.
2. **What units are the inputs in?** Time in months → convert to years (divide by 12). Rate already per annum → leave it.
3. **What's the base of the percentage?** Profit/loss % is on COST price, not selling price. Discount % is on MARKED price, not on what you actually paid.
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