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Earn 100

Coach Pathak has one tennis scholarship left. He's just heard of a family with four boys who are all great tennis players. He's never seen them play, but his scouts assure him that all four play equally well. With no more knowledge available to him, he decides that he wants to give the scholarship to the tallest boy. But their parents do not want to show any favouritism. The parents agree to have the boys exit the house, one at a time and let Coach Pathak pick the one he wants. He has to make an immediate decision on whether or not to offer the scholarship to that boy. If the coach uses his best strategy, what is the prob- ability of him offering the scholarship to the tallest boy? Assume he can tell whether the boy is taller or shorter than the other boys he's seen.

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Important Questions on Logical Reasoning Questions

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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 17

Fanny, Gopal and Harish play a challenge tennis tour- nament where two of them play a set, then the winner stays in the court to play the one who sat out. During the tournament, Fanny played, 15 sets, Gopal played 14 and Harish played 9

Who played in set 13 ?

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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 18
In the town of Rokas Phokas, all the married people lie all the time. All the single people tell the truth all the time. Tennis is a popular pastime in Rokas Phokas. One day three women and three men decided to play. There were two couples and two single people among them. If you asked Chandar whether Bandar is married to Tender, he would say, “Haan.” If you asked Pammi if she is married to Chandar, she would say, "Haan." If you asked Jimmy if he is married to Rashmi, he would say, “Nahin.” If you knew enough about the local language to know whether “Haan” means “Yes” and “Nahin” means “No” or visa versa, you could figure out who is married to whom. Can you figure it out who is married to Chandar?
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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 19

A, B and C each make four statements about each other. But only one of them made four true state- ments

. A said:  

1. B owes me $10.

2. Cowes me $5.

3. All of C's statements are true.

4. All of B's statements are false.

 

B said:

1. I owe no money to A

2. Cowes me $7

.3. I am Scandinavian

4. All A's statements are false.

C said:

1. I owe no money to anyone.

2. B is Italian.

3. I always tell the truth.

4. Two of B's statements are true and two are false.

Find which statements are true and which are false for all three.

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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 20

My next door neighbour lies a lot. In fact, he only tells the truth on one day a week! One day he told me, “I lie on Mondays and on Tuesdays.” The next day he said, "Today is either Thursday, Saturday or Sunday.”

The next day he said, “I lie on Wednesdays and Fri- days."

On which day of the week does my neighbour tell the truth?

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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 21
In chess, a knight moves two squares in one direction and one square in another direction, ending up on the diagonally opposite corner of a 2 x 3 grid. Intervening squares can be occupied. Find the maximum number of knights which can be placed on an 8 x 8 chessboard  so that no knight threatens another knight (can move into a square occupied by one of the other knights).
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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 22
Three brothers, Armani, Birianni and Chutanmi are all different ages. They each do strange things with numbers, that is, instead of saying the actual number, they change it in a certain way first. One brother divides the number in half. Another brother squares the number. The third brother reverses the digits. (21 becomes 12, 50 and also 5 become 5) When they were asked their ages, the oldest whis- pered his "age” to the thinnest, who whispered it to Chutanmi, who whispered it to the youngest, who answered: 6. Then the youngest whispered his "age" to the tallest, who whispered it to Birianni, who whispered it to the shortest, who answered: 23 Lastly, the youngest whispered his “age” to the short- est, who whispered it to the thinnest, who whispered it to Armani, who answered: 16. What are the ages of the three brothers?
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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 23
Deepika was admiring the output of her new program to generate random numbers. She had printed out the first ten numbers of the results. She soon noticed something interesting. Each of the 10 numbers had exactly one digit, in the proper placement, of the 5 digit code she used to open her car door without a key. In the first number 14073, for example, Deepika's car code could not be 34170 (two digits correctly placed) or 92365 (none). Find Deepika's car entry code from these first 10 randomly generated numbers: 14073, 79588, 05892, 84771, 63136, 42936, 37145, 50811, 98174 and 29402?
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How to Prepare for Logical Reasoning for CAT>Chapter 9 - Logical Reasoning Questions>Level of Difficulty (LOD)-II>Q 24

A, B, C, D and E all live on Pine Street which house numbers from 10 to 111, inclusive. Two them live in the same house. The others all live in different houses. They all have made remarks about where they live, but not all the remarks are true. A said, “My house number is a factor of B's hour number. E's house number is 10 greater than D'. B said, "My house number is greater than 70. House number is greater than 30."

C said, "My house number is both a cube and square. D's house number is greater than 10 .” D said, “My house number is a square. B's ho number is a cube".

E said, "My house number is twice B's" But who's telling the truth? It turns out that all statements made by people living in houses with numb greater than 50 were false. All the other statements were true.

Can you find out the house number of E?