Instructions

Direction for questions:Given below are six statements followed by sets of three. You are to mark the option in which the statements are most logically related.

Question 121

1. Some pins are made of tin
2. All tin is made of copper
3. All copper is used for pins
4. Some tin is copper
5. Some pins are used for tin
6. Some copper is used for tin

Video Solution

Solution

The syllogism can be described by the Venn diagram below.

3. All copper is used for pins

4. Some tin is copper

1. Some pins are made of tin

Question 122

1. An ostrich lays eggs
2. All birds lay eggs
3. Some birds can fly
4. An ostrich cannot fly
5. An ostrich is a bird
6. An ostrich cannot swim

Video Solution

Solution

Option A: 251

All birds lay eggs and an ostrich is a bird => An ostrich lays eggs

Hence, the third sentence can be deduced from the first two.

=> Option A is the answer.

Question 123

1. Some paper is wood
2. All wood is good
3. All that is good is wood
4. All wood is paper
5. All paper is good
6. Some paper is good

Video Solution

Solution

We can analyze the syllogism based on the Venn Diagram shown. All wood is good. All wood is paper. Some paper is good.

Question 124

1. All bricks are tricks
2. Some tricks are shrieks
3. Some that are shrieks are bricks
4. Some tricks are not bricks
5. All tricks are shrieks
6. No tricks are shrieks

Video Solution

Solution

Option A: 513

All bricks are tricks and all tricks are shrieks => All bricks are shrieks.

=> Some shrieks are bricks.

Hence, the third statement can be deduced from the first two.

Hence, option A is the answer.

Question 125

1. Some sand is band
2. All sandal is band
3. All band is sand
4. No sand is sandal
5. No band is sand
6. Some band is sandal

Video Solution

Solution

231 definitely follows. If all sandal is band and all band is sand, then some sand will definitely be band.
165 is incorrect as 1 and 5 are contradictory statements.
453 is a possibility but not a certainty. Thus it is also incorrect.
354 is also incorrect as 3 and 5 are contradictory.

Question 126

1. No wife is a life
2. All life is strife
3. Some wife is strife
4. All that is wife is life
5. All wife is strife
6. No wife is strife

Video Solution

Solution

In 2, it is stated that all life is strife and in 4, it is stated that all wife is life.

It means all wife is also strife which is stated in 5.

Question 127

1. Some crows are flies
2. Some flies are mosquitoes
3. All mosquitoes are flies
4. Some owls are flies
5. All owls are mosquitoes
6. Some mosquitoes are not owls

Video Solution

Solution

If All owls are mosquitoes and some owls are flies, it means some flies are also mosquitos because all the owls fall into the subset of mosquitoes and some owls are flies. Therefore some flies will be mosquitoes.

Question 128

1. Six is five
2. Five is not four
3. Some five is ten
4. Some six is twelve
5. Some twelve is five
6. Some ten is four

Video Solution

Solution

Six is five indicates six is exactly similar to five.The 4th sentence means that some part of six is twelve. This implies that some part of six is similar to twelve. Six is exactly similar to five, it means somes part of five is exactly similar to twelve which is stated in 5.

Question 129

1. Poor girls want to marry rich boys
2. Rich girls want to marry rich boys
3. Poor girls want to marry rich girls
4. Rich boys want to marry rich girls
5. Poor girls want to marry rich girls
6. Rich boys want to marry poor girls

Video Solution

Solution

This question can be understood with the help of given venn diagram.

PG = Poor Girls, RB = Rich Boys, RG = Rich Girls

The diagram concludes that PG want to marry RG.

Instructions

Arrange the four sentences in their proper order so that they make a logically coherent paragraph.

Question 130

A.Still, Sophie might need an open heart surgery later in life and now be more prone to respiratory infections.
B. But with the news that his infant daughter Sophie has a hole in her heart, he appears quite vulnerable.
C. While the condition sounds bad, it is not life threatening, and frequently corrects itself.
D. Sylvester Stallone has made millions and built a thriving career out of looking invincible.

Video Solution

Solution

Statement D describes the career of Sylvestor Stallone by stating that he looked invincible in his career. Option B is the extension of D where the author describes the contradictory situation. Option C is the logical extension of B where the author states abut her condition. Option A properly concludes the paragraph.

CAT Content

CAT 1996 Question Paper

1. Some pins are made of tin
2. All tin is made of copper
3. All copper is used for pins
4. Some tin is copper
5. Some pins are used for tin
6. Some copper is used for tin

1. An ostrich lays eggs
2. All birds lay eggs
3. Some birds can fly
4. An ostrich cannot fly
5. An ostrich is a bird
6. An ostrich cannot swim

1. Some paper is wood
2. All wood is good
3. All that is good is wood
4. All wood is paper
5. All paper is good
6. Some paper is good

1. All bricks are tricks
2. Some tricks are shrieks
3. Some that are shrieks are bricks
4. Some tricks are not bricks
5. All tricks are shrieks
6. No tricks are shrieks

1. Some sand is band
2. All sandal is band
3. All band is sand
4. No sand is sandal
5. No band is sand
6. Some band is sandal

1. No wife is a life
2. All life is strife
3. Some wife is strife
4. All that is wife is life
5. All wife is strife
6. No wife is strife

1. Some crows are flies
2. Some flies are mosquitoes
3. All mosquitoes are flies
4. Some owls are flies
5. All owls are mosquitoes
6. Some mosquitoes are not owls

1. Six is five
2. Five is not four
3. Some five is ten
4. Some six is twelve
5. Some twelve is five
6. Some ten is four

1. Poor girls want to marry rich boys
2. Rich girls want to marry rich boys
3. Poor girls want to marry rich girls
4. Rich boys want to marry rich girls
5. Poor girls want to marry rich girls
6. Rich boys want to marry poor girls

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CAT Content

CAT 1996 Question Paper

1. Some pins are made of tin 2. All tin is made of copper 3. All copper is used for pins 4. Some tin is copper 5. Some pins are used for tin 6. Some copper is used for tin

1. An ostrich lays eggs 2. All birds lay eggs 3. Some birds can fly 4. An ostrich cannot fly 5. An ostrich is a bird 6. An ostrich cannot swim

1. Some paper is wood 2. All wood is good 3. All that is good is wood 4. All wood is paper 5. All paper is good 6. Some paper is good

1. All bricks are tricks 2. Some tricks are shrieks 3. Some that are shrieks are bricks 4. Some tricks are not bricks 5. All tricks are shrieks 6. No tricks are shrieks

1. Some sand is band2. All sandal is band3. All band is sand 4. No sand is sandal5. No band is sand 6. Some band is sandal

1. No wife is a life 2. All life is strife 3. Some wife is strife 4. All that is wife is life 5. All wife is strife 6. No wife is strife

1. Some crows are flies 2. Some flies are mosquitoes 3. All mosquitoes are flies 4. Some owls are flies 5. All owls are mosquitoes 6. Some mosquitoes are not owls

1. Six is five 2. Five is not four 3. Some five is ten 4. Some six is twelve 5. Some twelve is five 6. Some ten is four

1. Poor girls want to marry rich boys 2. Rich girls want to marry rich boys 3. Poor girls want to marry rich girls 4. Rich boys want to marry rich girls 5. Poor girls want to marry rich girls 6. Rich boys want to marry poor girls

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1. Some pins are made of tin
2. All tin is made of copper
3. All copper is used for pins
4. Some tin is copper
5. Some pins are used for tin
6. Some copper is used for tin

1. An ostrich lays eggs
2. All birds lay eggs
3. Some birds can fly
4. An ostrich cannot fly
5. An ostrich is a bird
6. An ostrich cannot swim

1. Some paper is wood
2. All wood is good
3. All that is good is wood
4. All wood is paper
5. All paper is good
6. Some paper is good

1. All bricks are tricks
2. Some tricks are shrieks
3. Some that are shrieks are bricks
4. Some tricks are not bricks
5. All tricks are shrieks
6. No tricks are shrieks

1. Some sand is band
2. All sandal is band
3. All band is sand
4. No sand is sandal
5. No band is sand
6. Some band is sandal

1. No wife is a life
2. All life is strife
3. Some wife is strife
4. All that is wife is life
5. All wife is strife
6. No wife is strife

1. Some crows are flies
2. Some flies are mosquitoes
3. All mosquitoes are flies
4. Some owls are flies
5. All owls are mosquitoes
6. Some mosquitoes are not owls

1. Six is five
2. Five is not four
3. Some five is ten
4. Some six is twelve
5. Some twelve is five
6. Some ten is four

1. Poor girls want to marry rich boys
2. Rich girls want to marry rich boys
3. Poor girls want to marry rich girls
4. Rich boys want to marry rich girls
5. Poor girls want to marry rich girls
6. Rich boys want to marry poor girls