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Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation PDF Download

Pulak, Qasim, Ritesh, and Suresh participated in a tournament comprising of eight rounds. In each round, they formed two pairs, with each of them being in exactly one pair. The only restriction in the pairing was that the pairs would change in successive rounds. For example, if Pulak formed a pair with Qasim in the first round, then he would have to form a pair with Ritesh or Suresh in the second round. He would be free to pair with Qasim again in the third round. In each round, each pair decided whether to play the game in that round or not. If they decided not to play, then no money was exchanged between them. If they decided to play, they had to bet either ₹1 or ₹2 in that round. For example, if they chose to bet ₹2, then the player winning the game got ₹2 from the one losing the game.
At the beginning of the tournament, the players had ₹10 each. The following table shows partial information about the amounts that the players had at the end of each of the eight rounds. It shows every time a player had ₹10 at the end of a round, as well as every time, at the end of a round, a player had either the minimum or the maximum amount that he would have had across the eight rounds. For example, Suresh had ₹10 at the end of Rounds 1, 3 and 8 and not after any of the other rounds. The maximum amount that he had at the end of any round was ₹13 (at the end of Round 5), and the minimum amount he had at the end of any round was ₹8 (at the end of Round 2). At the end of all other rounds, he must have had either ₹9, ₹11, or ₹12.
It was also known that Pulak and Qasim had the same amount of money with them at the end of Round 4.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Q1: What BEST can be said about the amount of money that Ritesh had with him at the end of Round 8?
(a) ₹4 or ₹5
(b) Exactly ₹5
(c) ₹5 or ₹6
(d) Exactly ₹6

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationView Answer  Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Ans: (d)
Its given that the table shows every time a player had ₹10 at the end of a round, as well as every time, at the end of a round, a player had either the minimum or the maximum amount that he would have had across the eight rounds, which means that in Pulak's column the numbers possible are 11 or 12 only, similarly in Qasim's column numbers possible are only 9 or 11 only, similarly in Ritesh's column numbers possible are 5,6,7,8 or 9 only and in Suresh's column numbers possible are 9,11 or 12 only.
Everyone started with 10 rupees and the total amount, i.e., 40 in each round remains the same. So we get the following table

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

We are given that at the end of 4th round both Pulak and Qasim had the same amount with them and that amount possible is only 11.
As per the information given in the set the only possible amount with Qasim at the end of round 6 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amounts with Pulak and Qasim at the end of round 5 is decreased by 1 from the amounts which they had at the end of round 4, since the total amount will be same at the end of every round, so amounts with Ritesh and Suresh at the end of round 5 is increased by 1 from the amounts which they had at the end of round 4.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amount with Suresh at the end of round 2 is 8 and at the end of round 4 is 12, therefore, amount with Suresh at the end of round 3 is 10.
Amount with Qasim at the end of round 3 is either 9 or 11. If the amount is 9 then either amount with Ritesh has to be 10 or amount with Pulak has to be 14, both of which is not possible. Therefore, amount with Qasim at the end of round 3 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Now Qasim has the same amount at the end of round 3 and round 4 so there must be another person whose amount is also same at the end of round 3 and round 4. This person can only be Pulak. So at the end of round 3 Pulak has 11 rupees and Ritesh has 8 rupees.
The only possible amount with Qasim at the end of round 8 can be 11 and therefore the amount at the end of round 8 with Ritesh will be 6.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Ritesh at the end of round 8 is 2 more than the amount with him at the end of round 7, so the amount with either Pulak or Suresh at the end of round 7 has to be 2 more than the amount at the end of round 8. This is only possible for Suresh who must have 12 rupees at the end of round 7 as Pulak cannot have rupees 15 at the end of round 7.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Qasim at the end of round 7 is 1 more than the amount with him at the end of round 6. So there must be another person whose amount at the end of round 7 is 1 less than the amount him at the end of round 6. This only possible person can be Ritesh. So amount with Ritesh at the end of round 6 will be 5.
If the amount with Suresh at the end of round 6 is 11 then the amount with Pulak at the end of round 6 will be 13 which is not possible. Therefore the amount with Suresh at the end of round 6 is 12 and the amount with Pulak at the end of round 6 is 12.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Q2: What BEST can be said about the amount of money that Pulak had with him at the end of Round 6?
(a) Exactly ₹12
(b) Exactly ₹11
(c) ₹12 or ₹13
(d) ₹11 or ₹12

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationView Answer  Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Ans: (a)
Its given that the table shows every time a player had ₹10 at the end of a round, as well as every time, at the end of a round, a player had either the minimum or the maximum amount that he would have had across the eight rounds, which means that in Pulak's column the numbers possible are 11 or 12 only, similarly in Qasim's column numbers possible are only 9 or 11 only, similarly in Ritesh's column numbers possible are 5,6,7,8 or 9 only and in Suresh's column numbers possible are 9,11 or 12 only.
Everyone started with 10 rupees and the total amount, i.e., 40 in each round remains the same. So we get the following table

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

We are given that at the end of 4th round both Pulak and Qasim had the same amount with them and that amount possible is only 11.
As per the information given in the set the only possible amount with Qasim at the end of round 6 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amounts with Pulak and Qasim at the end of round 5 is decreased by 1 from the amounts which they had at the end of round 4, since the total amount will be same at the end of every round, so amounts with Ritesh and Suresh at the end of round 5 is increased by 1 from the amounts which they had at the end of round 4.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amount with Suresh at the end of round 2 is 8 and at the end of round 4 is 12, therefore, amount with Suresh at the end of round 3 is 10.
Amount with Qasim at the end of round 3 is either 9 or 11. If the amount is 9 then either amount with Ritesh has to be 10 or amount with Pulak has to be 14, both of which is not possible. Therefore, amount with Qasim at the end of round 3 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Now Qasim has the same amount at the end of round 3 and round 4 so there must be another person whose amount is also same at the end of round 3 and round 4. This person can only be Pulak. So at the end of round 3 Pulak has 11 rupees and Ritesh has 8 rupees.
The only possible amount with Qasim at the end of round 8 can be 11 and therefore the amount at the end of round 8 with Ritesh will be 6.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Ritesh at the end of round 8 is 2 more than the amount with him at the end of round 7, so the amount with either Pulak or Suresh at the end of round 7 has to be 2 more than the amount at the end of round 8. This is only possible for Suresh who must have 12 rupees at the end of round 7 as Pulak cannot have rupees 15 at the end of round 7.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Qasim at the end of round 7 is 1 more than the amount with him at the end of round 6. So there must be another person whose amount at the end of round 7 is 1 less than the amount him at the end of round 6. This only possible person can be Ritesh. So amount with Ritesh at the end of round 6 will be 5.
If the amount with Suresh at the end of round 6 is 11 then the amount with Pulak at the end of round 6 will be 13 which is not possible. Therefore the amount with Suresh at the end of round 6 is 12 and the amount with Pulak at the end of round 6 is 12.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Q3: How much money (in ₹) did Ritesh have at the end of Round 4?

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationView Answer  Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Ans: 6
Its given that the table shows every time a player had ₹10 at the end of a round, as well as every time, at the end of a round, a player had either the minimum or the maximum amount that he would have had across the eight rounds, which means that in Pulak's column the numbers possible are 11 or 12 only, similarly in Qasim's column numbers possible are only 9 or 11 only, similarly in Ritesh's column numbers possible are 5,6,7,8 or 9 only and in Suresh's column numbers possible are 9,11 or 12 only.
Everyone started with 10 rupees and the total amount, i.e., 40 in each round remains the same. So we get the following table

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

We are given that at the end of 4th round both Pulak and Qasim had the same amount with them and that amount possible is only 11.
As per the information given in the set the only possible amount with Qasim at the end of round 6 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amounts with Pulak and Qasim at the end of round 5 is decreased by 1 from the amounts which they had at the end of round 4, since the total amount will be same at the end of every round, so amounts with Ritesh and Suresh at the end of round 5 is increased by 1 from the amounts which they had at the end of round 4.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amount with Suresh at the end of round 2 is 8 and at the end of round 4 is 12, therefore, amount with Suresh at the end of round 3 is 10.
Amount with Qasim at the end of round 3 is either 9 or 11. If the amount is 9 then either amount with Ritesh has to be 10 or amount with Pulak has to be 14, both of which is not possible. Therefore, amount with Qasim at the end of round 3 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Now Qasim has the same amount at the end of round 3 and round 4 so there must be another person whose amount is also same at the end of round 3 and round 4. This person can only be Pulak. So at the end of round 3 Pulak has 11 rupees and Ritesh has 8 rupees.
The only possible amount with Qasim at the end of round 8 can be 11 and therefore the amount at the end of round 8 with Ritesh will be 6.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Ritesh at the end of round 8 is 2 more than the amount with him at the end of round 7, so the amount with either Pulak or Suresh at the end of round 7 has to be 2 more than the amount at the end of round 8. This is only possible for Suresh who must have 12 rupees at the end of round 7 as Pulak cannot have rupees 15 at the end of round 7.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Qasim at the end of round 7 is 1 more than the amount with him at the end of round 6. So there must be another person whose amount at the end of round 7 is 1 less than the amount him at the end of round 6. This only possible person can be Ritesh. So amount with Ritesh at the end of round 6 will be 5.
If the amount with Suresh at the end of round 6 is 11 then the amount with Pulak at the end of round 6 will be 13 which is not possible. Therefore the amount with Suresh at the end of round 6 is 12 and the amount with Pulak at the end of round 6 is 12.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Q4: How many games were played with a bet of ₹2?

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationView Answer  Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Ans: 6
Its given that the table shows every time a player had ₹10 at the end of a round, as well as every time, at the end of a round, a player had either the minimum or the maximum amount that he would have had across the eight rounds, which means that in Pulak's column the numbers possible are 11 or 12 only, similarly in Qasim's column numbers possible are only 9 or 11 only, similarly in Ritesh's column numbers possible are 5,6,7,8 or 9 only and in Suresh's column numbers possible are 9,11 or 12 only.
Everyone started with 10 rupees and the total amount, i.e., 40 in each round remains the same. So we get the following table

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

We are given that at the end of 4th round both Pulak and Qasim had the same amount with them and that amount possible is only 11.
As per the information given in the set the only possible amount with Qasim at the end of round 6 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amounts with Pulak and Qasim at the end of round 5 is decreased by 1 from the amounts which they had at the end of round 4, since the total amount will be same at the end of every round, so amounts with Ritesh and Suresh at the end of round 5 is increased by 1 from the amounts which they had at the end of round 4.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amount with Suresh at the end of round 2 is 8 and at the end of round 4 is 12, therefore, amount with Suresh at the end of round 3 is 10.
Amount with Qasim at the end of round 3 is either 9 or 11. If the amount is 9 then either amount with Ritesh has to be 10 or amount with Pulak has to be 14, both of which is not possible. Therefore, amount with Qasim at the end of round 3 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Now Qasim has the same amount at the end of round 3 and round 4 so there must be another person whose amount is also same at the end of round 3 and round 4. This person can only be Pulak. So at the end of round 3 Pulak has 11 rupees and Ritesh has 8 rupees.
The only possible amount with Qasim at the end of round 8 can be 11 and therefore the amount at the end of round 8 with Ritesh will be 6.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Ritesh at the end of round 8 is 2 more than the amount with him at the end of round 7, so the amount with either Pulak or Suresh at the end of round 7 has to be 2 more than the amount at the end of round 8. This is only possible for Suresh who must have 12 rupees at the end of round 7 as Pulak cannot have rupees 15 at the end of round 7.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Qasim at the end of round 7 is 1 more than the amount with him at the end of round 6. So there must be another person whose amount at the end of round 7 is 1 less than the amount him at the end of round 6. This only possible person can be Ritesh. So amount with Ritesh at the end of round 6 will be 5.
If the amount with Suresh at the end of round 6 is 11 then the amount with Pulak at the end of round 6 will be 13 which is not possible. Therefore the amount with Suresh at the end of round 6 is 12 and the amount with Pulak at the end of round 6 is 12.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationThe Games which had a bet of Rs.2 are as following

Round 1 - Palak vs Qasim
Round 2 - Qasim vs Suresh
Round 3 - Palak vs Suresh
Round 4 - Ritesh vs Suresh
Round 5 - None
Round 6 - Palak vs Ritesh
Round 7 - None
Round 8 - Ritesh vs Suresh
Hence total number of games that were played with a bet of 2 is 6

Q5:  Which of the following pairings was made in Round 5?
(a) Qasim and Suresh
(b) Pulak and Ritesh
(c) Pulak and Qasim
(d) Pulak and Suresh

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationView Answer  Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Ans: (d)
Its given that the table shows every time a player had ₹10 at the end of a round, as well as every time, at the end of a round, a player had either the minimum or the maximum amount that he would have had across the eight rounds, which means that in Pulak's column the numbers possible are 11 or 12 only, similarly in Qasim's column numbers possible are only 9 or 11 only, similarly in Ritesh's column numbers possible are 5,6,7,8 or 9 only and in Suresh's column numbers possible are 9,11 or 12 only.
Everyone started with 10 rupees and the total amount, i.e., 40 in each round remains the same. So we get the following table

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

We are given that at the end of 4th round both Pulak and Qasim had the same amount with them and that amount possible is only 11.
As per the information given in the set the only possible amount with Qasim at the end of round 6 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amounts with Pulak and Qasim at the end of round 5 is decreased by 1 from the amounts which they had at the end of round 4, since the total amount will be same at the end of every round, so amounts with Ritesh and Suresh at the end of round 5 is increased by 1 from the amounts which they had at the end of round 4.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Amount with Suresh at the end of round 2 is 8 and at the end of round 4 is 12, therefore, amount with Suresh at the end of round 3 is 10.
Amount with Qasim at the end of round 3 is either 9 or 11. If the amount is 9 then either amount with Ritesh has to be 10 or amount with Pulak has to be 14, both of which is not possible. Therefore, amount with Qasim at the end of round 3 is 11.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

Now Qasim has the same amount at the end of round 3 and round 4 so there must be another person whose amount is also same at the end of round 3 and round 4. This person can only be Pulak. So at the end of round 3 Pulak has 11 rupees and Ritesh has 8 rupees.
The only possible amount with Qasim at the end of round 8 can be 11 and therefore the amount at the end of round 8 with Ritesh will be 6.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Ritesh at the end of round 8 is 2 more than the amount with him at the end of round 7, so the amount with either Pulak or Suresh at the end of round 7 has to be 2 more than the amount at the end of round 8. This is only possible for Suresh who must have 12 rupees at the end of round 7 as Pulak cannot have rupees 15 at the end of round 7.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT Preparation

The amount with Qasim at the end of round 7 is 1 more than the amount with him at the end of round 6. So there must be another person whose amount at the end of round 7 is 1 less than the amount him at the end of round 6. This only possible person can be Ritesh. So amount with Ritesh at the end of round 6 will be 5.
If the amount with Suresh at the end of round 6 is 11 then the amount with Pulak at the end of round 6 will be 13 which is not possible. Therefore the amount with Suresh at the end of round 6 is 12 and the amount with Pulak at the end of round 6 is 12.

Practice Question - 80 (Games and Tournaments) | 100 DILR Questions for CAT PreparationFor round 6 the pairs formed were Pulak-Ritesh and Qasim-Suresh. For round 4 the pairs formed were Pulak-Qasim and Ritesh-Suresh.
Therefore the pairs formed for round 5 were Pulak-Suresh and Qasim-Ritesh


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FAQs on Practice Question - 80 (Games and Tournaments) - 100 DILR Questions for CAT Preparation

1. What are the common formats of games and tournaments used in competitive settings?
Ans. Common formats include knockout, round-robin, league, and Swiss formats. In knockout tournaments, teams or players are eliminated after a loss, while in round-robin formats, each participant plays against every other participant. League formats allow teams to compete over several matches to accumulate points, and Swiss formats pair competitors with similar scores to ensure fair competition.
2. How can participants effectively prepare for games and tournaments?
Ans. Effective preparation involves physical training, strategizing, and mental conditioning. Participants should develop their skills through regular practice, study their opponents' strategies, and simulate tournament conditions. Additionally, maintaining a healthy lifestyle, including proper nutrition and adequate rest, contributes significantly to performance.
3. What role does seeding play in tournament structures?
Ans. Seeding is crucial as it determines the matchups for the initial rounds based on participants' previous performances or rankings. Higher-seeded players typically face lower-seeded players in the early rounds, which helps prevent stronger competitors from eliminating each other too early in the tournament, thereby increasing the likelihood of high-stakes matches in later rounds.
4. How are tie-breakers handled in tournaments if participants have the same score?
Ans. Tie-breakers are typically resolved through various methods, such as head-to-head results, point differentials, or additional matches. Some tournaments may use criteria like the number of wins against common opponents or a sudden-death playoff to determine the winner when participants have identical scores.
5. What are some strategies for managing time during games and tournaments?
Ans. Time management strategies include setting clear objectives for each match, practicing pacing during the game, and utilizing time-outs wisely. Players should also be familiar with the rules regarding time limits to avoid penalties. Developing a routine for preparation and post-game analysis can also help in managing time effectively throughout the tournament.
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