Percentage · प्रतिशत
20% of 150? What % of 80 is 20? Practise with steps.
Percentage games
Percentage
Per cent means “out of 100”. 25% = 25/100 = 1/4 = 0.25.
- p% of a number = p ÷ 100 × number. 20% of 150 = 30.
- What % is a of b = a ÷ b × 100. 30 of 120 = 25%.
- Increase by p%: add p% of the number. Decrease by p%: subtract it.
- Marks: (marks obtained ÷ total marks) × 100 — try the marks percentage calculator.
| 1/2 = 50% | 1/4 = 25% | 3/4 = 75% | 1/5 = 20% | 1/10 = 10% | 1/3 ≈ 33.3% |
For Class 6 to 8. All answers are computed by a program.
A one-page chart to stick on the wall, and a worksheet to practise.
Percentage
Percentage
Per cent means “out of 100”. 25% = 25/100 = 1/4 = 0.25.
- p% of a number = p ÷ 100 × number. 20% of 150 = 30.
- What % is a of b = a ÷ b × 100. 30 of 120 = 25%.
- Increase by p%: add p% of the number. Decrease by p%: subtract it.
- Marks: (marks obtained ÷ total marks) × 100 — try the marks percentage calculator.
| 1/2 = 50% | 1/4 = 25% | 3/4 = 75% | 1/5 = 20% | 1/10 = 10% | 1/3 ≈ 33.3% |
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Percentage — worksheet
Name: ____________________ Class: ______ Date: __________
1. Find: 15% of 200 = ____ 40% of 350 = ____
2. What % of 60 is 15? ____ What % of 250 is 50? ____
3. Increase 800 by 25%: ____ Decrease 600 by 10%: ____
4. Riya scored 432 out of 500. Her percentage = ____
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