Class 8 Maths – Chapter 8

Comparing Quantities

MCQs (Multiple Choice Questions)

1. Which of the following is expressed in percentage?

a) 3 : 5    b) 0.25    c) 25%    d) 5/4

Answer: c) 25%

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2. If Cost Price = ₹400 and Selling Price = ₹480, the gain is:

a) ₹60    b) ₹70    c) ₹80    d) ₹90

Answer: c) ₹80

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3. Gain % is calculated using the formula:

a) (CP / Gain) × 100

b) (Gain / CP) × 100

c) (SP / CP) × 100

d) (CP / SP) × 100

Answer: b)

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4. Simple Interest depends on:

a) Principal only

b) Rate only

c) Time only

d) Principal, Rate and Time

Answer: d)

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5. The formula for Simple Interest is:

a) SI = P + R + T

b) SI = (P × R × T) / 100

c) SI = P × R

d) SI = (P + R) × T

Answer: b)

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6. If SP is less than CP, it is called:

a) Gain    b) Discount    c) Loss    d) Profit

Answer: c) Loss

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7. 0.75 expressed as percentage is:

a) 7.5%    b) 75%    c) 750%    d) 0.75%

Answer: b) 75%

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8. Marked Price means:

a) Cost Price

b) Selling Price

c) Printed price on article

d) Discounted price

Answer: c)

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9. A discount always:

a) Increases SP

b) Decreases SP

c) Increases CP

d) Has no effect

Answer: b)

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10. If discount = 10% on ₹500, discount amount is:

a) ₹50    b) ₹40    c) ₹60    d) ₹45

Answer: a) ₹50

📝 Exam Tip

• Profit–Loss and SI questions are compulsory
• Always write formulas clearly
• Convert fractions/decimals to percentage carefully