Reasoning

Scheduling Puzzle: Practice Questions with Answers

11 practice questions on Scheduling Puzzle, with answers; most also have an explanation or a worked solution. Try each one before you open its answer.

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1. Q.1

   Five friends — Aman, Bina, Chetan, Divya and Esha — visited a library on five different days of the same week, Monday to Friday, one person per day. Esha visited on Friday. Chetan visited immediately before Esha. Aman visited immediately before Chetan. Divya visited immediately after Bina. Bina did not visit on Tuesday. Who visited the library on Monday?

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   Answer: Bina

   Solution:

   1. Esha = Friday. Chetan (immediately before Esha) = Thursday. Aman (immediately before Chetan) = Wednesday.
   2. Remaining days, Monday and Tuesday, go to Bina and Divya. Divya is immediately after Bina — among Monday/Tuesday, that only works as Bina = Monday, Divya = Tuesday.
   3. So the full week is: Bina (Mon), Divya (Tue), Aman (Wed), Chetan (Thu), Esha (Fri).

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2. Q.2

   Using the same puzzle and clues, how many people visited the library after Divya?

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   Answer: 3

   Solution:

   1. Divya visited on Tuesday. After Tuesday come Wednesday (Aman), Thursday (Chetan), and Friday (Esha) — three people.

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3. Q.3

   Using the same puzzle and clues, on which day did Divya visit the library?

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   Answer: Tuesday

   Solution:

   1. From the full arrangement, Divya visited on Tuesday.

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4. Q.4

   Using the same puzzle and clues, who visited the library exactly two days after Bina?

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   Answer: Aman

   Solution:

   1. Bina visited on Monday. Two days after Monday is Wednesday, which is Aman’s day.

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5. Q.5

   Using the same puzzle and clues, who visited the library immediately after Aman?

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   Answer: Chetan

   Solution:

   1. From the full arrangement — Bina (Mon), Divya (Tue), Aman (Wed), Chetan (Thu), Esha (Fri) — the day immediately after Aman’s (Wednesday) is Thursday, which is Chetan.

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6. Q.6

   Using the same puzzle and clues, how many people visited the library before Chetan?

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   Answer: 3

   Solution:

   1. Chetan visited on Thursday. Before Thursday come Monday (Bina), Tuesday (Divya), and Wednesday (Aman) — three people.

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7. Q.7

   Using the same puzzle and clues, who visited the library immediately before Esha?

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   Answer: Chetan

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8. Q.8

   Using the same puzzle and clues, who visited the library immediately before Aman?

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   Answer: Divya

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9. Q.9

   Using the same puzzle and clues, on which day did Aman visit the library?

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   Answer: Wednesday

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10. Q.10

    Using the same puzzle and clues, on which day did Esha visit the library?

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    Answer: Friday

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11. Q.11

    Using the same puzzle and clues, who visited the library last (on the final day among these five)?

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    Answer: Esha

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