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Comprehension
Read the following scenario and answer the questions that follow.
A store offers a choice of five different discount coupons to its customers, described as follows:
Coupon A: A flat discount of Rs. 250 on a minimum spend of Rs. 1200 in one transaction.
Coupon B: A 15% discount on a minimum spend of Rs. 500 in one transaction, up to a maximum discount of Rs. 300.
Coupon C: A flat discount of Rs. 100 on a minimum spend of Rs. 600 in one transaction.
Coupon D: A 10% discount on a minimum spend of Rs. 250 in one transaction, up to a maximum discount of Rs. 100.
Coupon E: A flat discount of Rs. 50 on a minimum spend of Rs. 200 in one transaction.
The customers are allowed to use at most one coupon in one transaction, i.e., two or more coupons cannot be combined for the same transaction.
Question: 1

Four customers used four different discount coupons for their respective transactions in such a way that they obtained a total discount of Rs. 710.
Which discount coupon was not used?

Updated On: Nov 26, 2025
  • Coupon A
  • Coupon B
  • Coupon C
  • Coupon D
  • Coupon E
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The Correct Option is

Solution and Explanation

Step 1: Record discount values per coupon. The discounts are:
Coupon A: 250 (Minimum spend: Rs. 1200),
Coupon B: 300 (Max 15% discount for Rs. 2000+),
Coupon C: 100 (Flat discount on Rs. 600 min spend),
Coupon D: 60 (10% discount on Rs. 600 spend),
Coupon E: 50 (Flat discount on Rs. 200 spend).
Step 2: Identify combinations totaling Rs. 710. Four-coupon combinations summing to Rs. 710:
250 (Coupon A) + 300 (Coupon B) + 60 (Coupon D) + 50 (Coupon E) = 710.
Step 3: Determine the unused coupon. As Rs. 710 is reached without Coupon C, it is the unused coupon.
Final Answer: Coupon C.

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Question: 2

Four customers used four different discount coupons for their respective transactions in such a way that nobody used any discount coupon sub-optimally. (A discount coupon is used suboptimally if using another discount coupon could have resulted in a higher discount for the same transaction.)
What was the minimum combined spend (before application of any discount)?

Updated On: Nov 26, 2025
  • Rs. 2250
  • Rs. 2500
  • Rs. 2350
  • Rs. 2300
  • Rs. 1550
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The Correct Option is B

Solution and Explanation

Step 1: Analyze Coupon Discounts:
- Coupon A: Flat Rs. 250 off Rs. 1200 minimum spend.
- Coupon B: 15% off, capped at Rs. 300. Rs. 300 discount requires Rs. 2000 spend.
- Coupon C: Flat Rs. 100 off Rs. 600 minimum spend.
- Coupon D: 10% off, capped at Rs. 100. Rs. 100 discount requires Rs. 1000 spend.
- Coupon E: Flat Rs. 50 off Rs. 200 minimum spend.
Step 2: Assign Coupons to Purchases for Minimum Combined Spend:
- Coupon A: Rs. 1200 spend.
- Coupon B: Rs. 2000 spend.
- Coupon C: Rs. 600 spend.
- Coupon E: Rs. 200 spend.
Step 3: Calculate Total Combined Spend:
Total spend = Rs. 1200 + Rs. 2000 + Rs. 600 + Rs. 200 = Rs. 4000. (Correction: Rs. 1200 + Rs. 2000 + Rs. 600 + Rs. 200 = Rs. 4000).
Final Answer: Rs. 4000.

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Question: 3

A family wanted to purchase four products worth Rs. 1000 each, and another product worth Rs. 300. They were told that they could:
  1. pay for the five products through one or more transactions in any way they wanted, as long as the purchase amount of any one product would not get split into different transactions, and
  2. use the same discount coupon repeatedly for separate transactions, if they opt for more than one transaction.
What was the maximum discount that they could obtain for their purchase?

Updated On: Nov 26, 2025
  • Rs. 600
  • Rs. 645
  • Rs. 650
  • Rs. 700
  • None of the remaining options is correct.
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The Correct Option is C

Solution and Explanation

Step 1: Transaction Segmentation. The total purchase comprises:
- Four items valued at Rs. 1000 each.
- One item valued at Rs. 300.
Step 2: Discount Optimization per Transaction.
- For each Rs. 1000 item, apply Coupon D (10% discount). Total discount applied = 4 × 100 = 400.
- For the Rs. 300 item, compare Coupon D (10% discount, Rs. 30) with Coupon E (flat Rs. 50). Coupon E yields a higher discount of Rs. 50.
Step 3: Total Discount Calculation. 
Maximum discount = Rs. 400 (from four Rs.1000 items) + Rs. 50 (from one Rs. 300 item) = Rs. 450.
Final Answer: Rs. 450.

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