Comprehension

Read the given information carefully and then answer the questions based on them:
“Mirchi”, a specialty restaurant, is open for business every Monday through Saturday but is closed Sundays. Lunch is the only meal served on Mondays, Tuesdays and Thursdays. Dinner is the only meal served on Wednesdays, Fridays and Saturdays. The restaurant's floors are polished and its plants are watered only on days that “Mirchi”, is open for business, according the following schedule:
Plants are watered two days each week, but never on consecutive days and never on the same day are that floors polished.
Floors are polished on Monday and two other days each week, but never on consecutive days and never on the same day that plants are watered.

Question: 1

According to the schedule, the restaurant's floors are polished on either

Updated On: Mar 6, 2025
  • Tuesday or Wednesday
  • Tuesday or Thursday
  • Wednesday or Thursday
  • Thursday or Saturday
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The Correct Option is C

Solution and Explanation

The floors are polished on Monday and two other non-consecutive days. Since plants are watered on two non-consecutive days, the only valid combination of days for floor polishing, while adhering to these conditions, is Wednesday and Thursday

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Question: 2

According to the schedule, which of the following could be true?

Updated On: Mar 6, 2025
  • Floors are polished on Tuesday
  • Plants are watered on Wednesday
  • Lunch is served on Friday
  • Dinner is served on Thursday
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The Correct Option is B

Solution and Explanation

According to the schedule, plants are watered on two non-consecutive days. The possible days for watering plants are Tuesday, Thursday, Friday, and Saturday. Since floors are polished on non-consecutive days, it is feasible for plants to be watered on Wednesday.

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Question: 3

If dinner is served on a day that plants are watered, which of the following must be true?

Updated On: Mar 6, 2025
  • Plants are watered on Tuesday
  • Plants are watered on Saturday
  • Floors are polished on Thursday
  • Floors are polished on Wednesday
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The Correct Option is C

Solution and Explanation

If dinner is served on a day that plants are watered, then based on the schedule, that day cannot coincide with the floor polishing day. Given the alternating schedule for floor polishing, floors must be polished on Thursday if dinner is served on a day when plants are watered. 

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Question: 4

Assume that floors are polished on consecutive instead of nonconsecutive days but that all other scheduling policies are unchanged. For how many of the six days can it be determined both whether plants are watered and whether floors are polished?

Updated On: Mar 6, 2025
  • Two
  • Three
  • Five
  • Six
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The Correct Option is D

Solution and Explanation

If floors are polished on consecutive days, then it is possible to determine exactly which days both plants are watered and floors are polished, as the schedule is clearer. Thus, it is possible to determine this for all six days of the week.

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