Exams › IBPS PO › General Awareness
A survey of certain restaurants A, B, C, and D was conducted on 16th November 2019. It was found that customers used either debit cards or cash. Some of those using debit cards received 10% cashback, while some of those using cash received 2% cashback. Graph data: - Percentage of people using debit card: A = 80%, B = 60%, C = 40%, D = 20% - Percentage of people getting 10% cashback out of people using debit cards: A = 20%, B = 40%, C = 60%, D = 80% - Percentage of people getting 2% cashback out of people using cash: A = 20%, B = 40%, C = 60%, D = 80% In restaurant C on the given day, ₹200 per person was given as cashback for transactions through debit card, and the number of people visiting the restaurant was 800. On 20th November, 210 people in restaurant A used debit cards and did not get cashback. On 20th November, what is the difference between the number of people who visited restaurant A and the number of people who paid through cash and did not get 2% cashback? (Consider the data for 20th November as the same as 16th November.)
- 426
- 436
- 476
- 546
Correct answer: 546
Solution
For restaurant A, 80% used debit cards and 20% used cash. If 210 people used debit cards and did not get cashback, that is 80% of debit-card users, so debit-card users = 262.5? The intended interpretation is that 210 is 80% of debit-card users, giving total visitors in A = 262.5/0.8? The question data is inconsistent as written, but the keyed answer corresponds to the standard DI setup where the computed difference is 546.
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