Comprehension
Read the information given below to answer the questions.
(i) Mohan's reading schedule consists of reading only subject on a given day of the week.
(ii) The subjects are Physics, Chemistry, Mathematics, Biology, and Social Science.
(iii) Monday to Saturday are reading days including one day only for play. Sunday is a complete holiday for Mohan.
(iv) Mathematics day is neither on the first day nor on the last day but earlier than the Chemistry day.
(v) Biology day is on the immediate next day of Chemistry day.
(vi) Physics day is on the immediate previous day of the play day.
(vii) Biology day and Social Science day have a gap of two days between them.
(viii) Social Science day is on the immediate next day of the play day.
Question: 1

Which of the following day is the play day?

Updated On: Jul 15, 2026
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
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The Correct Option is B

Approach Solution - 1

Step 1: From clues (vi) and (viii), Physics, Play and Social Science must fall on three consecutive days in that order.

Step 2: From clue (v), Chemistry and Biology must also be consecutive, and from clue (vii) there must be a two-day gap between Biology and Social Science.

Step 3: The only arrangement that fits Monday to Saturday is Physics on Monday, Play on Tuesday, Social Science on Wednesday, Mathematics on Thursday, Chemistry on Friday and Biology on Saturday, which also satisfies clue (iv) for Mathematics.

\[ \boxed{\text{Play day} = \text{Tuesday}} \]
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Approach Solution -2

A different route to the same answer is to work from the back of the week forward. Let's see how each option holds up:

  1. Monday: Clues (v) and (vii) together pin Chemistry, Biology and the required two-day gap from Social Science into the back half of the week, which works out to Mathematics, Chemistry and Biology sitting on Thursday, Friday and Saturday, leaving only Monday to Wednesday for the Physics-Play-Social Science block. Since that block runs Physics, then Play, then Social Science in fixed order, Play takes the middle slot of that three-day stretch, not the first slot, so Monday is ruled out.
  2. Tuesday: With Monday to Wednesday left for the Physics-Play-Social Science block in that exact order, the middle day of that stretch is Tuesday, which is exactly the play day.
  3. Wednesday: Wednesday is the last day of that three-day stretch, reserved for Social Science, not the play day.
  4. Thursday: Thursday falls in the back half of the week, already claimed by Mathematics once the remaining subjects are placed.

Once Mathematics, Chemistry and Biology are fixed in the back half of the week, only the front three days remain for Physics, Play and Social Science, and the play day always lands in the middle of that stretch, Tuesday.

Therefore, the correct answer is Tuesday.

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Question: 2

Physics day and Biology day have a gap of how many days between them?

Updated On: Jul 15, 2026
  • One
  • Two
  • Three
  • Four
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The Correct Option is D

Approach Solution - 1

Step 1: From the full week schedule, Physics falls on Monday and Biology falls on Saturday.

Step 2: Count the days strictly between Monday and Saturday: Tuesday, Wednesday, Thursday, Friday.

Step 3: That gives four days lying between Physics day and Biology day.

\[ \boxed{\text{Gap} = 4 \text{ days}} \]
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Approach Solution -2

Rather than counting days by name, we can count how many other activities from the schedule fall between Physics day and Biology day.

  1. One: Only one activity between them would mean just a single subject separates Physics and Biology, but the full schedule places four other activities in between, so this is too few.
  2. Two: Two intervening activities is still short of what the schedule actually shows.
  3. Three: Three intervening activities still falls one short of the true count.
  4. Four: Between Physics (Monday) and Biology (Saturday), the schedule places Play, Social Science, Mathematics and Chemistry, exactly four other activities, on the four days in between.

Since Play, Social Science, Mathematics and Chemistry each occupy one of the four days lying between Physics day and Biology day, the gap between them is four days.

Therefore, the correct answer is Four.

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Question: 3

Which day is Social Science day?

Updated On: Jul 15, 2026
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
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The Correct Option is C

Approach Solution - 1

Step 1: Physics, Play and Social Science must run as three consecutive days (clues vi and viii), and Chemistry must be immediately followed by Biology (clue v).

Step 2: Fitting these blocks into Monday to Saturday while keeping a two-day gap between Biology and Social Science (clue vii) only works with Physics on Monday, Play on Tuesday and Social Science on Wednesday.

Step 3: This placement also correctly fits Mathematics on Thursday, Chemistry on Friday and Biology on Saturday, satisfying every remaining clue.

\[ \boxed{\text{Social Science day} = \text{Wednesday}} \]
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Approach Solution -2

We can also anchor this from the other end of the week, using Biology's fixed position instead of the play day.

  1. Monday: A two-day gap between Social Science and Biology (clue vii) with Biology on Saturday would place Social Science far earlier than Monday allows once the gap is counted correctly, so Monday does not fit.
  2. Tuesday: Counting a two-day gap back from Saturday does not land on Tuesday either.
  3. Wednesday: With Biology fixed on Saturday and Chemistry immediately before it on Friday (clue v), counting a two-day gap back from Biology, skipping Friday and Thursday, lands Social Science on Wednesday. This also lines up with Physics on Monday and the play day on Tuesday from the other clues.
  4. Thursday: Thursday is already needed for Mathematics once Wednesday is fixed for Social Science, so Thursday cannot also be Social Science day.

Anchoring from Biology's fixed Saturday position and counting the required two-day gap back places Social Science on Wednesday, consistent with every other clue.

Therefore, the correct answer is Wednesday.

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Question: 4

Which day is Mathematics day?

Updated On: Jul 15, 2026
  • Monday
  • Tuesday
  • Wednesday
  • Thursday
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The Correct Option is D

Approach Solution - 1

Step 1: Physics, Play and Social Science occupy Monday, Tuesday and Wednesday respectively (from clues vi and viii).

Step 2: Chemistry and Biology, kept consecutive by clue (v) and placed to keep the two-day gap from Social Science required by clue (vii), take Friday and Saturday.

Step 3: The only day left unassigned is Thursday, which also satisfies clue (iv) since it is neither the first nor last day and comes before Chemistry.

\[ \boxed{\text{Mathematics day} = \text{Thursday}} \]
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Approach Solution -2

Clue (iv) alone gives us three separate conditions for Mathematics day: it cannot be the first reading day, it cannot be the last reading day, and it must fall before Chemistry day. Let's apply these directly to each option:

  1. Monday: Monday is the first reading day of the week, so clue (iv) rules this out immediately, regardless of anything else.
  2. Tuesday: Tuesday does not violate the first/last day rule on its own, but once the play day is fixed there (as forced by clues vi and viii), Tuesday is unavailable for Mathematics.
  3. Wednesday: Wednesday also survives the first/last test, but it is already committed to Social Science day once the Physics-Play-Social Science block is placed at the start of the week.
  4. Thursday: Thursday is neither the first day (Monday) nor the last day (Saturday), clearing the first two parts of clue (iv). With Chemistry day falling on Friday, Thursday also comes before it, clearing the third part as well, and it is the only day of the six that isn't already committed elsewhere.

Testing clue (iv)'s three conditions directly against each day shows Thursday is the only one that clears all of them while also being free once the other five activities are placed.

Therefore, the correct answer is Thursday.

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Question: 5

Which of the following is the correct statement?

Updated On: Jul 15, 2026
  • Biology day is after Chemistry day
  • Physics day is on Wednesday
  • Play day is on Monday
  • Chemistry day is earlier than Physics day
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The Correct Option is A

Approach Solution - 1

Step 1: The full schedule works out to Monday: Physics, Tuesday: Play, Wednesday: Social Science, Thursday: Mathematics, Friday: Chemistry, Saturday: Biology.

Step 2: Checking the four statements against this schedule, only "Biology day is after Chemistry day" holds, since Biology (Saturday) directly follows Chemistry (Friday), exactly as clue (v) requires.

Step 3: The other three statements each contradict the schedule: Physics is Monday not Wednesday, play day is Tuesday not Monday, and Chemistry (Friday) is later than Physics (Monday), not earlier.

\[ \boxed{\text{Correct statement: Biology day is after Chemistry day}} \]
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Approach Solution -2

A quicker route here is to notice that one of the four options is worded almost exactly like one of the original clues, so it can be confirmed without building the whole schedule at all.

  1. Biology day is after Chemistry day: This is a direct restatement of clue (v), Biology day is on the immediate next day of Chemistry day, so it is true by definition, no further calculation needed.
  2. Physics day is on Wednesday: The Physics-Play-Social Science block (clues vi and viii) must begin at the earliest available day for the rest of the schedule to close out correctly, which places Physics on Monday, not Wednesday.
  3. Play day is on Monday: Since Physics day must come immediately before the play day, and Physics itself sits on Monday, the play day is pushed to Tuesday, one day later than this statement claims.
  4. Chemistry day is earlier than Physics day: Chemistry sits just before Biology on Saturday, placing it on Friday, near the end of the week, while Physics sits near the start, on Monday, the exact opposite order to what this statement claims.

Because one of the four options is simply a restatement of clue (v) itself, it can be confirmed as true immediately, while the other three each contradict the schedule once it is worked out.

Therefore, the correct answer is Biology day is after Chemistry day.

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