Class 8 Maths – Chapter 8

Comparing Quantities

Worksheet – FULL ANSWERS (Step-by-Step)

1. Find 35% of 480.

Solution:

35% = 35/100

= (35/100) × 480

= 168

Answer: 35% of 480 = 168

2. Convert 0.625 into percentage.

Solution:

0.625 × 100 = 62.5%

Answer: 62.5%

3. MP = ₹2000, SP = ₹1700. Find discount.

Solution:

Discount = MP − SP

= 2000 − 1700

= ₹300

Answer: Discount = ₹300

4. CP = ₹1200, SP = ₹1100. Find gain or loss.

Solution:

Loss = CP − SP

= 1200 − 1100

= ₹100

Answer: Loss = ₹100

5. Find SI on ₹1500 at 6% for 4 years.

Formula: SI = (P × R × T) / 100

= (1500 × 6 × 4) / 100

= 360

Answer: Simple Interest = ₹360

6. Find amount if P = ₹2500, R = 8%, T = 2 years.

Solution:

SI = (2500 × 8 × 2) / 100 = ₹400

Amount = P + SI

= 2500 + 400

= ₹2900

Answer: Amount = ₹2900

7. MP = ₹900, Discount = 10%. Find SP.

Solution:

Discount = (10/100) × 900 = ₹90

SP = MP − Discount

= 900 − 90

= ₹810

Answer: Selling Price = ₹810

8. Gain = ₹240, SP = ₹1440. Find CP.

Solution:

CP = SP − Gain

= 1440 − 240

= ₹1200

Answer: Cost Price = ₹1200

📌 Exam Tip: Always write formula, substitute values, and box the final answer to score full marks.