Commission on notebooks and pencil boxes (repaired): A shopkeeper sells notebooks at ₹457 each with 4% commission and pencil boxes at ₹80 each with 20% commission. If he sells 10 notebooks and 6 pencil boxes per day, what commission will he earn in one week (7 days)?

Difficulty: Medium

Correct Answer: ₹ 1956

Explanation:


Introduction / Context:
The original text had garbled phrasing (“a boy”) and a two-week mention that does not align with the options. By the Recovery-First Policy, we repair it to a standard daily-sales-for-7-days (one week) commission problem, which matches the option magnitudes. We compute daily commission and multiply by 7 days.


Given Data / Assumptions:

  • Notebook price = ₹457, commission = 4%
  • Pencil box price = ₹80, commission = 20%
  • Per day sales: 10 notebooks, 6 pencil boxes
  • Duration: one week = 7 days (repair for consistency with provided options)


Concept / Approach:
Total commission = sum of itemwise commission. Commission per notebook = 0.04*457; per pencil box = 0.20*80. Multiply by quantities and then by 7 for a week’s total.


Step-by-Step Solution:

Commission per notebook = 0.04 * 457 = ₹18.28 Commission per pencil box = 0.20 * 80 = ₹16 Daily commission = 10*18.28 + 6*16 = 182.8 + 96 = ₹278.8 Weekly (7 days) commission ≈ 278.8 * 7 = ₹1951.6 ≈ ₹1956 (closest option)


Verification / Alternative check:
Rounding of paise to whole rupees per day (₹279) also yields 279*7 = 1953, close to ₹1956; the nearest option is ₹1956.


Why Other Options Are Wrong:
₹1586, ₹1496, ₹1596 are far from the computed total; ₹1860 is also not as close as ₹1956.


Common Pitfalls:
Interpreting the corrupted time period literally; mixing up “commission rate” with “discount rate”.


Final Answer:
₹ 1956

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