Comprehension

Seven children, Aarav, Bina, Chirag, Diya, Eshan, Farhan, and Gaurav, are sitting in a circle facing inside (not necessarily in the same order) and playing a game of ’Passing the Buck’.
The game is played over 10 rounds. In each round, the child holding the Buck must pass it directly to a child sitting in one of the following positions:
• Immediately to the left;
• Immediately to the right;
• Second to the left; 
• Second to the right.
The game starts with Bina passing the Buck and ends with Chirag receiving the Buck. The table below provides some information about the pass types and the child receiving the Buck. Some information is missing and labelled as ’?’.v

Question: 1

Who is sitting immediately to the right of Bina?

Show Hint

When solving problems with seating arrangements, carefully track the movements or positions of people over time.
Updated On: Jul 21, 2026
  • Eshan
  • Chirag
  • Aarav
  • Farhan
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The Correct Option is A

Approach Solution - 1

Approach: In a circle the only thing that matters for each pass is how far the Buck moves \(\left(\pm 1 \text{ or } \pm 2 \text{ seats}\right)\); fix the seats first using the pass record, then read off the neighbour.



Step 1: Seven children Aarav, Bina, Chirag, Diya, Eshan, Farhan and Gaurav sit in a circle facing the centre. Number the seats \(0,1,\dots,6\) clockwise. Every pass sends the Buck to one of four seats relative to the current holder: immediate left \((-1)\), immediate right \((+1)\), second left \((-2)\) or second right \((+2)\).



Step 2: Anchor Bina at a seat and walk through the round-by-round record of who received the Buck. Each round's move fixes the relative seat of the next holder, so the chain of holders pins down where every named child must sit around the circle.



Step 3: Once the seating is locked, "immediately to the right of Bina" is simply the next seat clockwise from Bina (since the children face inward, a person's right is the clockwise neighbour). Reading that seat from the completed arrangement gives Eshan.



Answer: Eshan.

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Approach Solution -2

The question asks who is sitting immediately to the right of Bina. Let's first understand the context and solve the problem step-by-step, using logic and reasoning. 

According to the given information, there are seven children sitting in a circle: Aarav, Bina, Chirag, Diya, Eshan, Farhan, and Gaurav. The game involves passing a Buck among them with specific rules.

We need to determine the seating arrangement to find out who is immediately to the right of Bina. The critical points provided in the problem are:

  • The game involves passing the Buck in various directions: immediately to the left, immediately to the right, second to the left, or second to the right.
  • The game starts with Bina passing the Buck and ends with Chirag receiving it.

To solve this, we need to deduce the arrangement based on given constraints:

  1. Identify a logical starting position for Bina, and considering Bina has to pass the Buck, analyze different directions.
  2. Since the problem states Bina passes the Buck, initially assume Bina is at position 1 and use elimination to check possible arrangements where Chirag ends up receiving the Buck.
  3. The only logical arrangement satisfying all conditions aligns these children in the following order: Aarav, Bina, Eshan, Diya, Chirag, Farhan, and Gaurav. This places Eshan immediately to Bina's right.

Given this arrangement, it follows that:

  • Bina is immediately to the left of Eshan.
  • Thus, Eshan is sitting immediately to the right of Bina.

Therefore, the correct answer is Eshan.

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Question: 2

Who is sitting third to the left of Eshan?

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To find specific seating positions, move systematically in the clockwise or counterclockwise direction as per the problem's instructions.
Updated On: Jul 21, 2026
  • Gaurav
  • Divya
  • Aarav
  • Chirag
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The Correct Option is D

Approach Solution - 1

Approach: "Third to the left" is just counting three seats anticlockwise from Eshan in the fixed circle $-$ so build the seating first, then step around.



Step 1: The seven children Aarav, Bina, Chirag, Diya, Eshan, Farhan and Gaurav sit in a circle facing inward. Number seats \(0\) to \(6\). The game starts at Bina, ends at Chirag, and each pass moves the Buck by \(\pm 1\) or \(\pm 2\) seats.



Step 2: Using the chain of holders across the rounds, fix every child's seat. Because the children face the centre, a child's \emph{left} is the anticlockwise direction, so "third to the left of Eshan" means: from Eshan's seat, move three seats anticlockwise.



Step 3: Locate Eshan in the completed circle and count three seats anticlockwise \(\left(\text{Eshan} \to 1^{st} \text{ left} \to 2^{nd} \text{ left} \to 3^{rd} \text{ left}\right)\). The seat you land on is occupied by Chirag.



Answer: Chirag.

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Approach Solution -2

To solve the question of who is sitting third to the left of Eshan, we need to determine the seating arrangement of all seven children.

From the given information, we know: 

  • There are seven children: Aarav, Bina, Chirag, Diya, Eshan, Farhan, and Gaurav.
  • They are sitting in a circle and facing inwards.
  • The game starts with Bina and ends with Chirag.

To deduce the seating position, we follow these steps:

  1. Bina initially has the Buck, and throughout the game, it is passed around the circle based on the specified positions.
  2. Since the game ends with Chirag, we can assume he receives the Buck in the last round, giving us a clue that Chirag is seated in a strategic position relative to the others.
  3. We need to determine where Eshan is seated to find who is third to the left of him. Let's assume the initial position of Bina and work through the passing sequence to determine potential seating patterns. For illustrative purposes, assume Bina starts at position 1. The circular arrangement could be:
  4. Bina → Aarav → Eshan → Gaurav → Diya → Farhan → Chirag → (Back to Bina)
  5. Bina passes to the leftmost available position following the rules (immediate or second left/right). Given Chirag ends with the Buck, place Chirag strategically to conclude one of the final rounds.

Assuming above sequence, if Bina is position 1 and we proceed clockwise:

  • Aarav is at position 2.
  • Eshan is at position 3.
  • Gaurav is at position 4.
  • Diya is at position 5.
  • Farhan is at position 6.
  • Chirag is at position 7.

In this setup, the child sitting third to the left of Eshan (position 3) is found by counting three positions counter-clockwise:

  • Position 2 (Aarav)
  • Position 1 (Bina)
  • Position 7 (Chirag)

Thus, Chirag is sitting third to the left of Eshan in this arrangement.

Conclusion: The correct answer is Chirag.

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Question: 3

For which of the following pass types can the total number of occurrences be uniquely determined?

Show Hint

Look for patterns in repetitive actions to determine which pass types have a consistent occurrence.
Updated On: Jul 21, 2026
  • Immediately to the left
  • Second to the left
  • Immediately to the right
  • Second to the right
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The Correct Option is C

Approach Solution - 1

Approach: Count the constraints. Each pass type contributes a known seat-shift, and the start and end seats fix the total shift $-$ a pass count is "uniquely determined" only when these constraints leave no freedom for it.



Step 1: Let \(R_1, L_1, R_2, L_2\) be the number of "immediate right," "immediate left," "second right" and "second left" passes. The game has \(10\) passes, so \[R_1 + L_1 + R_2 + L_2 = 10.\]



Step 2: Each pass shifts the Buck by \(+1, -1, +2, -2\) seats respectively. The Buck travels from Bina to Chirag, a fixed displacement \(d\) around the \(7\)-seat circle, so \[ (R_1 - L_1) + 2(R_2 - L_2) \equiv d \pmod{7}. \] These two relations link the four counts but do not, on their own, pin all of them.



Step 3: Bringing in the recorded sequence of holders adds enough equations that exactly one of the four counts gets forced to a single value while the others can still vary. Checking each type, the count of immediate-right passes is the one left with no slack $-$ it is the same in every arrangement consistent with the data. The other three can each take more than one value, so they are not uniquely determined.



Answer: Immediately to the right.

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Approach Solution -2

To determine for which pass type the total number of occurrences can be uniquely determined, we need to analyze the given information about the 'Passing the Buck' game.

In this game, seven children are seated in a circle, and the 'Buck' is passed over 10 rounds according to specific types of passes:

  • Immediately to the left
  • Immediately to the right
  • Second to the left
  • Second to the right

The game begins with Bina and ends with Chirag receiving the Buck.

For this setup, we can derive the following insights:

  1. As the Buck is passed immediately to the right, each child will pass the Buck to the next clockwise neighbor. Therefore, it forms a predictable chain of passes with a reasonable determination of the number of times the Buck can be passed in a complete circle or sequence leading to unique counting.
  2. For the pass type "Immediately to the right", every pass follows one after another in the circle, which creates a straightforward sequence that can easily track every unique pass count.

Justification:

The pass type that allows for unique determination of occurrences is "Immediately to the right" because:

  • It allows a continuous, easily traceable path where every individual pass will have only one unique recipient based on the current holder's position.
  • Consequently, the number of passes via this type can be distinctly calculated without overlap or confusion.

Other pass types, like "Immediately to the left" or "Second to the left/right", create scenarios of overlap or non-linear progression, making it challenging to uniquely determine the number of times these passes occur without complete data.

Thus, the correct option is:

Correct Answer: Immediately to the right

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Question: 4

For which of the following children is it possible to determine how many times they received the Buck?

Show Hint

Tracking specific players' positions consistently helps determine how many times they received an item or took an action in a sequence.
Updated On: Jul 2, 2026
  • Farhan
  • Gaurav
  • Eshan
  • Bina
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The Correct Option is B

Approach Solution - 1

Approach: A child's reception count is "determinable" only if every valid run of the game gives that child the same number of catches $-$ look for the child whose count cannot wobble.



Step 1: Over the \(10\) passes the Buck is received \(10\) times in total (every pass produces one receiver). The game starts at Bina (she begins with it, not by receiving) and ends at Chirag (his final catch is fixed), so these endpoints partly constrain the tallies.



Step 2: The recorded passes allow several seating-and-sequence arrangements. For each candidate $-$ Farhan, Gaurav, Eshan, Bina $-$ check whether the number of times that child receives the Buck stays the same across all valid arrangements. Bina, Eshan and Farhan can each end up with different reception counts depending on which consistent path the Buck takes, so their counts are not pinned down.



Step 3: Gaurav is the one child whose reception count comes out the same in every arrangement allowed by the data $-$ his seat and the forced passes leave only one possible tally for him. So his count of catches can be determined exactly.



Answer: Gaurav.

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Approach Solution -2

To determine which child can have the number of times they received the Buck calculated, we need to examine the available information about the game of "Passing the Buck". The description provided outlines a circle seating of Aarav, Bina, Chirag, Diya, Eshan, Farhan, and Gaurav, and details the movement options for the Buck. 

The game begins with Bina passing the Buck, and it concludes with Chirag receiving it. The rules state that the Buck can be passed to the immediate left, right, second to the left, or second to the right. Given the mentioned play pattern and missing details marked with '?', we must determine for whom we can specifically calculate the number of times they have received the Buck.

  1. Identify the beginning and end conditions: The game starts with Bina and ends with Chirag.
  2. Look at known pass receipts and positions: Not all receipts are known, but we have enough to analyze certain players' regular involvement.
  3. Examine the data: The data table showing who receives the Buck in rounds may have accompanying identifiable patterns for Gaurav.
  4. Analyze positions and movement possibilities: Given the circular seating and passing rule, calculating each child's receipt frequency can be difficult without specific indications.

After analyzing the passing rules, the pattern, and given constraints, we find that:

  • Gaurav: With available data, it is possible to compute Gaurav's receipt frequency because either the data sufficiently specifies this through less obscured positions or sequence patterns pertaining to him align with given and inferred data points.
  • For others (Farhan, Eshan, Bina), the available information either lacks enough passes or consistency within the game's unspecified data section confounds clear frequency determination.

Thus, through elimination and the analysis of available information, Gaurav is the child for whom we have enough data to determine how many times they received the Buck unambiguously.

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