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MCQ Practice

Mathematics MCQs

A trader mixes 26 kg of rice at Rs. 20/kg with 30 kg at Rs. 36/kg. What is the profit percentage at Rs. 30/kg?

  • A. No profit
  • B. 5%
  • C. 8%
  • D. 10%
Explanation:
Weighted average CP leads to 5% gain.

A trader marks goods 20% above cost and allows 20% discount. Result is ____.

  • A. No profit
  • B. 4% profit
  • C. 2% loss
  • D. None
Explanation:
Slight loss occurs; none of the exact options.

A trader marks the price 10% above the cost. What discount results in no profit, no loss?

  • A. 10%
  • B. 10.5%
  • C. 11%
  • D. 12.5%
Explanation:
A discount equal to the markup cancels profit.

A trader buys at 20% discount and sells at 40% profit. What is the overall gain percent?

  • A. 10%
  • B. 11%
  • C. 12%
  • D. 15%
Explanation:
Effective gain = (1.4 / 0.8 − 1) ×100 = 75% ≈ adjusted option.

A student scores 20% marks and fails by 30 marks. Passing marks are ____.

  • A. 20%
  • B. 25%
  • C. 28%
  • D. 30%
Explanation:
Difference corresponds to 5% → passing = 25%.

A single discount equivalent to 20%, 10%, and 5% successive discounts is ____.

  • A. 25%
  • B. 30%
  • C. 31.6%
  • D. 33.5%
Explanation:
Equivalent = 1 − (0.8×0.9×0.95) = 31.6%.

A shopkeeper gives 5% discount and still gains 23.5%. What was the marked price if the cost price is Rs. 20?

  • A. 24.5
  • B. 28.5
  • C. 30
  • D. Data insufficient
Explanation:
The reverse calculation yields MP = 30.

A shopkeeper sells 400 meters of cloth for Rs. 18000 at a loss of Rs. 5 per meter. Find the cost price per meter.

  • A. Rs. 45
  • B. Rs. 40
  • C. Rs. 35
  • D. Rs. 50
Explanation:
SP per meter = 45 → CP = 45 + 5 = 50.

A shopkeeper sells goods worth Rs. 25000 at 20% profit and the rest at 10% loss. Find the total cost price.

  • A. Rs. 25000
  • B. Rs. 20000
  • C. Rs. 15000
  • D. Rs. 22000
Explanation:
Net adjustment gives a total CP of Rs. 20000.

A shopkeeper marks goods 20% above cost and allows 30% discount. What is net profit/loss percent?

  • A. 8% profit
  • B. 10% loss
  • C. 16% loss
  • D. 20% loss
Explanation:
Effective loss = 1 − (1.2 × 0.7) = 16%.