Explanation

Given:

Total students = 1500
Present students = 1200

Step 1: Use the formula

Percentage=Present/Total​×100

Step 2: Substitute values

=1200​/1500×100

Step 3: Solve

$$=0.8\times 100=80\%$$

Explanation

Assume price = 100
After +20% → 120
After −20% → 96

So the final price is less than the original.

Last updated by NA on 23-April-2026

Explanation

Step 1: Find 25% of 200

$$25\%\text{ of }200=$$25/ 100​×200=50

Step 2: Add an increase to the original value

$$200+50=250$$

$$Last\; updated\; by\; NA\; on\; 22-April-2026$$

Explanation

Given:

Total students = 1500
Present students = 1200

Step 1: Use the formula

Percentage=Present​/ Total ×100

Step 2: Substitute values

=1200​/ 1500 ×100

Step 3: Solve

$$=0.8\times 100=80\%$$

$$Last\; updated\; by\; NA\; on\; 22-April-2026$$

Explanation

Given:

Initial population = 500
Final population = 600

Step 1: Find increase

$$600-500=100$$

Step 2: Apply the formula

$$text{Percentage increase} = frac{text{Increase}}{text{Original}} times 100$$Original ​×100

=100/500​×100

Step 3: Solve

$$=0.2\times 100=20\%$$

Last updated by NA on 22-April-2026