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Except for HOG, no other option has a vowel in it.

Hence, HOG is different from the other three.

If we simplify the given fractions, we get:

\(\dfrac{4}{14} = \dfrac{2}{7}\)

\(\dfrac{3}{21} = \dfrac{1}{7}\)

\(\dfrac{6}{21} = \dfrac{2}{7}\)

\(\dfrac{16}{56} = \dfrac{2}{7}\)

Except for \(\dfrac{3}{21}\), each fraction gives \(\dfrac{2}{7}\) as the answer upon simplifying.

Hence, "\(\dfrac{3}{21}\)" is different from the other three.

The logic follows here is:

Pattern: Adding the total sum of the digits of the given numbers.

338 → 3 + 3 + 8 = 14 → Even number

158 → 1 + 5 + 8 = 14 → Even number

639 → 6 + 3 + 9 = 18 → Even number

543 → 5 + 4 + 3 = 12 → Even number

449 → 4 + 4 + 9 = 17 → Odd number

All the numbers given in options is Even Number except 449.

Hence, "449" is the correct answer.

Given,

(OX, GIRAFFE, CAMEL, DOG, GOAT, ELEPHANT, DEER)

Here, we see all are herbivores except DOG.

Hence, the correct answer is DOG.

Given letter cluster-

All the series follow the same sequence of alphabet and numbers except iii series in place of w it has v. Therefore, the incorrect combination is iii.

The combination is;

tyui8001yuti

All the options are matching this exactly except (iv)

Here, tyui0081yuti, the bold part must be replaced with 800 to match exactly.

Hence, (iv) is the incorrect combination.

Given series:

All the series follow the same sequence of alphabet and numbers except iv series in place of bd0 it has dbo. Therefore, the incorrect combination is option iv.

All the series follow the same sequence of alphabet and numbers except iii series in place of n it has m. Therefore, the incorrect combination is option iii.

Given address:

Nusrat Jahan

138 F, Pragya colony

Meena street

West Bengal

Option iii

Nusrat Jahan

130 F, Pragya colony

Meena street

West bengal

In iii address we have 130 in place of 138, all other addresses are exactly same as the given address. Therefore, the iii address is not exactly the same as the given address.

Address given In i,iii and iv is same as given address but in option ii address is different.

Given address,

Abby Abbot
#4 – 1st floor, 72
Richefond Circle – Ridgeside offices,
Umhlanga Ridge 4319, South Africa

(iv) Abby Abbot
#4 – 1st floor, 72
Richefond Circle – Ridgeside offices,
Umhlanga Ribge 4319, South Africa

Hence, 'iv' is the correct answer.

After reading the information clearly from the table we can easily say that Tony Blair is the odd person.

Only he was the Prime Minister of a state, UK, but all the other persons were president of different countries.

Hence, the correct answer is "Tony Blair".

Hence, ‘option iv’ is the correct answer.

The pattern followed here is:

Option 1 → 605 ÷ 55 = 11

Option 2 → 676 ÷ 52 = 13

Option 3 → 726  ÷ 66 = 11

Option 4 → 517 ÷ 47= 11

Hence, '676 : 52' is the odd one.

All numbers are divisible by 12 except 50:76.

1) 84 : 96 → Both numbers are divisible by 12.

2) 24 : 48 → Both numbers are divisible by 12.

3) 12 : 72 → Both numbers are divisible by 12.

4) 50 : 76 → Both numbers are divisible by 2.

Hence, 50 : 76 is the correct answer.

The pattern followed here is:

Option 1 → 931 ÷ 49 = 19

Option 2 → 1197 ÷ 63 = 19

Option 3 → 1309 ÷ 77 = 17

Option 4 → 1083 ÷ 57= 19

Hence, '1309 : 77' is the odd one.

The logic follows here is;

First Number × (First Number + 1) = Second Number

1) 5 × 6 = 30

2) 9 × 10 = 90

3) 4 × 5 = 20 not 24

4) 8 × 9 = 72

Hence, "4-24" is the correct answer.

Uttar Pradesh, Uttarakhand, Bihar, and Sikkim share a border with "Nepal". 

Whereas, Delhi does not share a border with Nepal.

Hence, "Delhi" is the correct answer.

Except 206, all other numbers are multiple of 17.

1. 17 × 11 = 187

2. 17 × 12 = 204 ≠ 206

3. 17 × 13 = 221

4. 17 × 14 = 238

Hence, 206 is correct.

The pattern followed here is,

1568, 2628, and 1432 are divisible by 4.

2514 is not divisible by 4.

hence, 2514 is the different one.

Suggestions, Counselling, and advice are the same meanings.

Hence, "Instruction" is the correct answer.

Branch, leaf and root all are the part of a tree. But Dirt is different. So, Dirt does not belong to the other.

Hence, correct answer is option 2.

The logic followed is:

First is made up of second. 

Option 1: Clothes : Bathrobes

Clothes are not made up of the Bathrobes. A Bathrobes is especially one for wear while lounging or preparing to dress, as bathrobes or dressing gowns. 

Thus this is different from the rest.

Option 2: Shoes : Leather

Shoes are made from leather.

Option 3: Omelets : Egg

Omelets are made from eggs.

Option 4: Rubber : Latex

Rubber is made from latex.

Thus except for option (1), the first is made from the second.

Hence, the correct answer is "Clothes : Bathrobes".

The pattern followed here is - Cubes of various numbers are given in each option but '1321' is not a cube of any number. Cubes of numbers used in each option is shown below:

(5)³ = 125

(8)³ = 512

(12)³ = 1728

Hence, "1321" is the correct answer.

The logic followed here is:

Option (1) Hair → not a sense organ.

Option (2) Eyes → sense organ.

Option (3) Face → face is skin and skin is a sense organ.

Option (4) Nose → sense organ.

Except for Hair, All sense organ.

Hence, “Hair” is an odd one.

• The sense organs — eyes, ears, tongue, skin, and nose — help to protect the body.
• The human sense organs contain receptors that relay information through sensory neurons to the appropriate places within the nervous system.
• Much of this information comes through the sensory organs: the eyes, ears, nose, tongue, and skin. Specialized cells and tissues within these organs receive raw stimuli and translate them into signals the nervous system can use.
• The sensory nervous system is a part of the nervous system responsible for processing sensory information. A sensory system consists of sensory neurons, neural pathways, and parts of the brain involved in sensory perception.

As shown below, except for 309 : 17, in all other pairs, the first number is the product of the second number and its successor.
13 ×14 = 182
12 × 13 = 156
11 × 12 = 132
17 × 18 = 306

Hence, 309 : 17 is different from the other three.

The pattern followed here is:-

Option 1, 2, and 3 are in equal order and option 4 is in different order from all three.

Hence, the correct answer is "Newton : Force".

The logic is:

1) Social Sciences : Physics → Physics is a branch of Science and not Social Science.

2) Mathematics : Algebra → Algebra is a part of Mathematics.

3) University : Harvard → Harvard is a University.

4) Fruits : Banana → Banana is a fruit.

Hence, ‘Social Sciences : Physics’ is the odd one out.

The logic is:

All options except 'Acre' are units used to measure length, while 'Acre' is a unit used to measure area.

Hence, ‘Acre’ is the odd one out.

The pattern followed here is:

Except 2/14, all other fractions are equal.

1) → 2/14 = 1/7

2) → 3/12 = 1/4

3) → 5/20 = 1/4

4) → 7/28 = 1/4

Hence, "2/14" is the correct answer.

The logic is:

Sum of digits of given numbers = 23

1. 72563 → 7 + 2 + 5 + 6 + 3 = 23

2. 52637 → 5 + 2 + 6 + 3 + 7 = 23

3. 56372 → 5 + 6 + 3 + 7 + 2 = 23

4. 63754 → 6 + 3 + 7 + 5 + 4 = 25 ≠ 23

Hence, ‘63754’ is the odd one out.

Given series: 132, 17523, 3164, 2685

Except 3164, all other numbers are completely divisible by 11.

1. 132 ÷ 11 = 12

2. 17523 ÷ 11 = 1593

3. 3164 ÷ 11 = 287.63

4.  2695 ÷ 11 = 245

Hence, 3164 is correct.

Given: (13, 133, 6) → (13 + 6) × 7 = 133

Let us now check through options:

1. (11, 122, 2) → (11 + 2) × 7 = 91 (NOT 122)

2. (10, 8, 6) → (10 + 6) × 7 = 112 (NOT 8)

3. (3, 4, 2) → (3 + 4) × 7 = 49 (NOT 4) 

4. (9, 91, 4) → (9 + 4) × 7 = 91 

Hence, (9, 91, 4) is correct.

Given: (15, 315, 7)

The logic followed here is:

(15, 315, 7) → 15 × (7 × 3) = 15 × 21 = 315

Now, by checking options:

(1) (14, 197, 4) → 14 × (4 × 3) = 14 × 12 = 168 ≠ 197

(2) (11, 188, 6) → 11 × (6 × 3) = 11 × 18 = 198 ≠ 188

(3) (18, 486, 9) → 18 × (9 × 3) = 18 × 27 = 486

(4) (17, 401, 12) → 17 × (12 × 3) = 17 × 36 = 612 ≠ 401

Hence, (18, 486, 9) is the correct answer.

1) Gynecologist → A doctor who specializes in treating diseases of the female reproductive organs and providing well-woman health care that focuses primarily on the reproductive organs.

2) Cardiologist → A doctor who specializes in the study or treatment of heart diseases and heart abnormalities.

3) Alchemist → A person who transforms or creates something through a seemingly magical process.

4) Neurologist → A doctor who specializes in the anatomy, functions, and organic disorders of nerves and the nervous system.

All options except ‘Alchemist’ represents Doctors.

Hence, ‘Alchemist’ is the odd one out.

The description is as follows:

Hence, ‘Europa’ is the odd one out.

Even numbers are those numbers which are divisible by 2 whereas odd numbers are those numbers which are not divisible by 2. 

Here, option 2, 3 and 4 are divisible by 2. Therefore, they are even numbers.

Option 1 ends is not divisible by 2. Therefore, it is an odd number.

Hence, option 1 is the correct answer.

The logic is:

(36, 10, 16) → (6², 6 + 4, 4²)

Similarly,

1) (81, 11, 4) → (9², 9 + 2, 2²)

Hence, ‘(81, 11, 4)’ is the correct answer.

In all sports, except 'Football', a bat or a racket is required.

Hence, "Football" is different from the other three.

The logic followed here is:-

Violinist, Singer, and Dancer all are related to music. Whereas swimmer is related to olympic.

The swimmer is different from others.

Hence, "option 1" is the correct answer.

The logic followed here is:

From option 1 -

400 ÷ 16 = 25

From option 2 -

200 ÷ 8 = 25

From option 3 -

300 ÷ 12 = 25

From option 4 -

500 ÷ 18 = 27.7

Option 4 is different from others.

Hence, "option 4" is the correct answer.

The pattern followed here is:

First digit × 2 = Second part of the number

816 = 8 × 2 = 16

612 = 6 × 2 = 12

48 = 4 × 2 = 8

32 ≠ 3 × 2

Hence, 32 is the odd one.

By checking options:

(1) 324 : 64 → \(\sqrt{324} = 18 \to 1 + 8 = 9 \to 9^2 = 81 \neq 64\)

(2) 169 : 16 → \(\sqrt{169} = 13 \to 1 + 3 = 4 \to 4^2 = 16\)

(3) 289 : 64 → \(\sqrt{289} = 17 \to 1 + 7 = 8 \to 8^2 = 64\)

(4) 256 : 49 → \(\sqrt{256} = 16 \to 1 + 6 = 7 \to 7^2 = 49\)

Hence, 324 : 64 is the odd one out.

The description is as follows:

Hence, ‘Plant’ is the odd one out.

The description is as follows:

Hence, ‘Lion’ is the odd one out.

The logic followed here is:

Except School, all are the subjects, whereas school is an institute.

Hence, ‘School’ is the odd one out.

The description is as follows:

The logic followed here is:

• Neon, Helium, and Xenon are noble gases or inert gases whereas Zinc is a metal. 

Hence, Zinc does not belong to the group.

• Neon (Ne), Helium(He), and Xenon (Xe) belong to group 18.
• Zinc (Zn)  is brittle and silvery greyish in colour. It belongs to group 12 of the periodic table.

The logic followed here is:

• 161, 163 → 161 is divisible by 7. (7 × 23 = 161)
• 101, 103 → 101, and 103 are prime numbers.
• 191, 193 → 191, and 193 are prime numbers.
• 41, 43 → 41, and 43 are prime numbers.

Hence, '161, 163' is the correct answer.

The logic followed is:

All the given options except option (2), are the metals whereas Bronze is an alloy.

Hence, the correct answer is "Bronze".

• Bronze is the mixture of the metals tin and copper.
• The bronze alloy was made as early as the Harappan age.
• An alloy is considered a homogeneous mixture because, by definition, a homogeneous mixture has the same uniform appearance and composition throughout.
• Since an alloy is a mixture of two or more metals or a mixture of a metal with some other element, and these mixtures are uniform throughout, they fit the definition of being homogeneous. 

The logic followed is:

All the given options are 2-dimensional shapes whereas option (2) is a 3-dimensional shape.

Hence, the correct answer is "Sphere".

The logic followed is:

The month of January, July, and August has 31 days whereas June has 30 days. 

Thus the June is odd from rest of them.

Hence, the correct answer is "June".