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All questions of Week 12 for CLAT Exam

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If the fourth, the fifth, the fourteenth, the fifteenth and the twenty-sixth letters of the English alphabet are so rearranged as to form one meaningful English word taking each letter only once, what will be the middle letter of that word? If more than one such word are formed, your answer should be K and if no such word can be formed your answer would be Y.
  • a)
    N                                
  • b)
    Z
  • c)
    O                                
  • d)
    K
  • e)
    Y
Correct answer is option 'B'. Can you explain this answer?

Rhea malhotra answered
Given information: The fourth, the fifth, the fourteenth, the fifteenth and the twenty-sixth letters of the English alphabet are to be rearranged to form one meaningful English word taking each letter only once.

To find: The middle letter of the word formed.

Approach:

- Identify the letters that need to be rearranged.
- Find all possible combinations of those letters.
- Check if any of those combinations form a meaningful English word.
- If more than one word is formed, the middle letter of each word should be checked.
- If no word is formed, the answer is Y.

Solution:

The letters that need to be rearranged are D, E, N, O, and Y.

All possible combinations of these letters are:

- DENOY
- DENOY
- DEONY
- DEOYN
- DEONY
- DEOYN
- DNYOE
- DNYOE
- DNOYE
- DNOEY
- DNEYO
- DNEOY
- DYNEO
- DYNOE
- DYEON
- DYENO
- DYONE
- DYOEN
- DYOEN
- DOYNE
- DOYEN
- DONYE
- DONEY
- DOENY
- DOEYN
- ODEYN
- ODENY
- ODYEN
- ODYNE
- ONEYD
- ONEDY
- ONYED
- ONYDE
- OYDEN
- OYDNE
- OYEDN
- OYEND
- OYNDE
- OYNED
- YDON
- YDNO
- YEDON
- YEDNO
- YENDO
- YEODN
- YONDE
- YONED
- YONDE
- YOEND
- YODEN
- YODNE
- YOEDN
- YOEND
- YONDE
- YONED

Out of these combinations, only one meaningful English word is formed - "HONEYED".

Therefore, the middle letter of the word "HONEYED" is "Z".

Answer: (b) Z.

The sum of ages of 5 children born at the intervals of 3 years each is 50 years. Find out the age of the youngest child?
  • a)
    6 years
  • b)
    5 years
  • c)
    4 years
  • d)
    3 years
  • e)
    2 years
Correct answer is option 'C'. Can you explain this answer?

Lavanya Menon answered
Let the age of the youngest child = x
Then, the ages of 5 children can be written as x , ( x + 3 ) , ( x + 6 ) , ( x + 9 ) and ( x + 12 )
x + ( x + 3 ) + ( x + 6 ) + ( x + 9 ) + ( x + 12 ) = 50
⇒ 5 x + 30 = 50
⇒ 5 x = 20

Four of the following five groups of letters are alike in some way while one is different. Find out which one is different.
  • a)
    EJO                             
  • b)
    IMQ
  • c)
    KQV                            
  • d)
    LTB
  • e)
    GJM
Correct answer is option 'C'. Can you explain this answer?

Dia Mehta answered
Difference between each alphabet is same in each option,
- EJO     E(5) - J(10) - O(15) Difference - 5
- IMQ      I (9) -  M(13) - Q(17) Difference - 4
- KQV     K(11) - Q(17) - V(21) Difference - 6 and 4
- LTB      L(12) - T(20) - B(2) Difference - 8
- GJM     G(7) - J(13) - M(13) Difference - 3

In comparing gases with liquids , gases have ........ compressibility and...........density.
  • a)
    greater, smalle
  • b)
    greater, greater
  • c)
    smaller, smaller
  • d)
    smaller, greater
Correct answer is option 'A'. Can you explain this answer?

Neha Patel answered
In a gas, the distance between molecules, whether monatomic or polyatomic, is very large compared with the size of the molecules; thus gases have a low density and are highly compressible.Density: The molecules of a liquid are packed relatively close together. Consequently, liquids are much denser than gases.

Hydrogen bonding reduces the quality of water molecules to
  • a)
    repel
  • b)
    attract
  • c)
    compactly arrange
  • d)
    slide over each other
Correct answer is option 'D'. Can you explain this answer?

Shreya Gupta answered
Hydrogen bonding is a type of attractive force that occurs between molecules when a hydrogen atom is covalently bonded to a highly electronegative atom, such as oxygen, nitrogen, or fluorine. In water molecules, hydrogen bonding occurs between the positively charged hydrogen atoms of one water molecule and the negatively charged oxygen atoms of another water molecule. These hydrogen bonds cause the water molecules to attract each other and stick together, which gives water many of its unique properties, such as its high surface tension and its ability to act as a solvent. The hydrogen bonds do not cause the water molecules to repel each other or to compactly arrange, but they do make it more difficult for the molecules to slide over each other, which contributes to the high viscosity of water.

I am not wealthy (A) / so I cannot afford (B) / to buy a expensive car. (C) / no error (D)
  • a)
    I am not wealthy
  • b)
    so I cannot afford
  • c)
    to buy a expensive car
  • d)
    no error
Correct answer is option 'C'. Can you explain this answer?

Shreya kapoor answered
Explanation:
The given sentence is grammatically correct except for the incorrect use of the article 'a' before 'expensive car'. Here, we need to use the article 'an' instead of 'a' because the word 'expensive' starts with a vowel sound 'e'. Hence the correct sentence is "I am not wealthy so I cannot afford to buy an expensive car."

Therefore, option (C) is the correct answer.

Grammar Rules Applied:
Use of Indefinite Article 'a' or 'an':
- We use 'a' before a word that starts with a consonant sound.
- We use 'an' before a word that starts with a vowel sound.

Examples:
- A book (because 'b' sounds like a consonant)
- An hour (because 'h' is silent and the word starts with a vowel sound 'au')

How many such pairs of letters are there in the word FRIENDSHIP, each of which has as many letters between them in the word as in the English alphabet?
  • a)
    Nil                              
  • b)
    One
  • c)
    Two                            
  • d)
    Three
  • e)
    None of these
Correct answer is option 'D'. Can you explain this answer?

Divisha rane answered
Solution:
To solve this problem, we need to identify pairs of letters in the word FRIENDSHIP that have the same number of letters between them in the word as in the English alphabet. Let's start by listing the English alphabet and the letters in the word FRIENDSHIP:

English Alphabet: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
FRIENDSHIP: F R I E N D S H I P

Now, we need to identify pairs of letters that have the same number of letters between them in the word as in the English alphabet. For example, the pair "F" and "I" have two letters between them in the word FRIENDSHIP (R and E), and two letters between them in the English alphabet (G and H). Therefore, this pair satisfies the condition.

Using this method, we can identify the following pairs:

• F and I (2 letters between them)
• R and U (2 letters between them)
• E and H (4 letters between them)

Therefore, there are three pairs of letters in the word FRIENDSHIP that satisfy the given condition. The correct answer is option D.

Mark the part where there is an error
The road (A) / to famous monument (B) / passes through a forest. (C) / no error (D)
  • a)
    The road
  • b)
    to famous monument
  • c)
    passes through a forest
  • d)
    no error
Correct answer is option 'B'. Can you explain this answer?

Ishani Rane answered
The part of the sentence where there is an error is:
(B) "to famous monument"
The correct form should be:
(B) "to the famous monument"
So the corrected sentence should read:
"The road to the famous monument passes through a forest."
Thus, the error is in part (B).

Intermolecular forces can be out of the following.
  • a)
    van der Waais' forces
  • b)
    Electrostatic forces existing between two oppositely charged ions
  • c)
    Covalent bond between two like atoms
  • d)
    Gravitational force
Correct answer is option 'A'. Can you explain this answer?

Shreya Gupta answered
In molecular physics, the van der Waals forces, named after Dutch scientist Johannes Diderik van der Waals, are distance-dependent interactions between atoms or molecules. Unlike ionic or covalent bonds, these attractions are not a result of any chemical electronic bond, and they are comparatively weak and more susceptible to being perturbed. Van der Waals forces quickly vanish at longer distances between interacting molecules.

Van der Waals forces play a fundamental role in fields as diverse as supramolecular chemistry, structural biology, polymer science, nanotechnology, surface science, and condensed matter physics. Van der Waals forces also define many properties of organic compounds and molecular solids, including their solubility in polar and non-polar media.

Present ages of Kiran and Syam are in the ratio of 5 : 4 respectively. Three years hence, the ratio of their ages will become 11 : 9 respectively. What is Syam's present age in years?
  • a)
    28
  • b)
    27
  • c)
    26
  • d)
    24
  • e)
    25
Correct answer is option 'D'. Can you explain this answer?

Sravya Joshi answered
Explanation:
Ratio of the present age of Kiran and Syam = 5 : 4
Let present age of Kiran = 5x
Present age of Syam = 4x
After 3 years, ratio of their ages = 11/9
⇒ ( 5 x + 3 ) / ( 4 x + 3 ) = 11/ 9
⇒ 9 ( 5 x + 3 ) = 11 ( 4 x + 3 )
⇒ 45 x + 27 = 44 x + 33
⇒ x = 33 − 27 = 6
Syam's present age = 4 x = 4  x 6 = 24
You can learn tricks to solve Problems on ages through the document: 
Problems on Ages with complete solutions & tricks to solve

Van der waals forces include the following except
  • a)
    London forces
  • b)
    dipole - dipole forces 
  • c)
    dipole- include dipole forces
  • d)
    chemical bonding forces
Correct answer is option 'D'. Can you explain this answer?

Om Desai answered
Chemical bonding forces are not considered to be part of van der Waals forces. Van der Waals forces include London forces, dipole-dipole forces, and dipole-induced dipole forces.
 

Dipole-dipole interaction energy between stationary polar molecules is proportional to x and that between rotating molecules is proportional to y. Assume distance between polar molecules as r, then x and y are
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'B'. Can you explain this answer?

Ambition Institute answered
Dipole-dipole interaction energy between stationary polar molecules is proportional to 1/ r3 and that between rotating polar molecules is proportional to 1/ r6 where ‘r’ is the distance between polar molecules
Besides dipole - dipole interaction, polar molecules can interact by London forces also.

In each of the following questions, a number /alphabet series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
Q.​ 
2B, 4C, 8E, 14H, ?
  • a)
    16 K                           
  • b)
    20 I
  • c)
    20 L                           
  • d)
    22 L
  • e)
    None of these
Correct answer is option 'D'. Can you explain this answer?

Arindam Joshi answered
Continuing Alphabet Series

Pattern:
In this series, the pattern followed is that the alphabet is increased by a certain number in each term. The first term is 'B', and in the second term, it is increased by 2 to get 'C'. In the next term, 'C' is increased by 4 to get 'E', and so on.

Explanation:
- In the first term, the alphabet is 'B'.
- In the second term, it is increased by 2 to get 'C'.
- In the third term, 'C' is increased by 4 to get 'E'.
- In the fourth term, 'E' is increased by 6 to get 'H'.
- Therefore, in the fifth term, 'H' should be increased by 8 to get the next alphabet.

Option Analysis:
a) 16 K
- This option does not follow the pattern as the alphabet 'K' is not increased by 8 to get the next alphabet.
b) 20 I
- This option does not follow the pattern as the alphabet 'I' is not increased by 8 to get the next alphabet.
c) 20 L
- This option does not follow the pattern as the alphabet 'L' is increased by 6, which does not fit with the pattern.
d) 22 L
- This option follows the pattern as 'H' is increased by 8 to get 'P'.
e) None of these
- This option is incorrect as option 'D' is the correct answer.

Conclusion:
Therefore, the correct answer is option 'D' - 22 L.

Atom which must be present in hydrogen bonding is
  • a)
    hydrogen
  • b)
    sodium
  • c)
    calcium
  • d)
    sulphur
Correct answer is option 'A'. Can you explain this answer?

Nandini Patel answered
A hydrogen bond is the attractive force between the hydrogen attached to an electronegative atom of one molecule and an electronegative atom of a different molecule. Usually the electronegative atom is oxygen, nitrogen, or fluorine, which has a partial negative charge. The hydrogen then has the partial positive charge.

Based on the following statements I and IS, select the correct answer from the codes given.
Statement I
Three states of matter are the result of balance between intermolecular forces and thermal energy of the molecules.
Statement II
Intermolecular forces tend to keep the molecules together but thermal energy of molecules tends to keep them apart.
  • a)
    Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I
  • b)
    Both Statement I and Statement II are correct and Statement II is not the correct explanation of Statement I
  • c)
    Statement I is correct but Statement il is incorrect
  • d)
    Statement II is correct but Statement I is incorrect
Correct answer is option 'A'. Can you explain this answer?

Geetika Shah answered
Thermal energy is the energy of a body arising from motion of its atoms or molecules. It is directly proportional to the temperature of the substance. It is the measure of average kinetic energy of the particles of the matter and is thus responsible for movement of particles. This movement of particles is called thermal motion. We have already learnt that intermolecular forces tend to keep the molecules together but thermal energy of the molecules tends to keep them apart. Three states of matter are the result of balance between intermolecular forces and the thermal energy of the molecules.

Answer these questions referring to the ‘symbol-letter-number’ sequence given below:
2 & S 7 9 8 * P T £ 5 R = 7 W Y # D Q 6 @ F V 4 K N Å G 3 $ D
Q. 
If the positions of the letters in the sequence are reoccupied by the letters themselves after getting rearranged alphabetically from the left, which of the following will not change its position in the new arrangement?
  • a)
    P                                
  • b)
    N
  • c)
    Q                                
  • d)
    K
  • e)
    None of these
Correct answer is option 'C'. Can you explain this answer?

Shanaya Sharma answered
Sequence is : 2 & S 7 9 8 * P T £ 5 R = 7 W Y # D Q 6 @ F V 4 K N Å G 3 $ D Arranging the letters alphabetically 2 & D 7 9 8 * D F £ 5 G = 7 K N # P Q 6 @ R S 4 T V Å W 3 $ Y Only Q doesn't change its position. (#DQ and #PQ) So , c) Q is the correct answer.

What is meant by the Legal Maxim/word “praesumptio innocentiae”?
  • a)
    Presumption of Innocence
  • b)
    Presumption of Guilt
  • c)
    Presumption of Intent
  • d)
    Presumption of Inner morality
Correct answer is option 'A'. Can you explain this answer?

Faizan Khan answered
The presumption of innocence is the legal principle that one is considered innocent unless proven guilty.
Hence option A is the right answer for this legal maxim/word.

In each of the following questions, a number /alphabet series is given with one term missing. Choose the correct alternative that will continue the same pattern and replace the question mark in the given series.
Q.​ 
1, 8, 27, 64, 125, ____
  • a)
    225                   
  • b)
    196
  • c)
    216                   
  • d)
    169
  • e)
    None of these
Correct answer is option 'C'. Can you explain this answer?

Veena jain answered
The given series represents the cubes of consecutive natural numbers.

Explanation:
- 1^3 = 1
- 2^3 = 8
- 3^3 = 27
- 4^3 = 64
- 5^3 = 125

To continue this pattern, we need to find the cube of the next natural number, which is 6.

6^3 = 216

Therefore, the missing term in the series is 216, which is option (c).

That Brutus, who was his trusted friend (A) / had attacked on him (B) / caused heart break to Julius Caesar. (C) / no error (D)
  • a)
    That Brutus, who was his trusted friend
  • b)
    had attacked on him
  • c)
    caused heart break to Julius Caesar.
  • d)
    no error
Correct answer is option 'B'. Can you explain this answer?

Yashica singh answered
Error Identification: The error lies in Part B of the sentence.

Corrected Sentence: That Brutus, who was his trusted friend, had attacked him and caused heartbreak to Julius Caesar.

Explanation:

- The sentence talks about the betrayal of Julius Caesar's trusted friend, Brutus.
- Part A introduces Brutus as Julius Caesar's trusted friend.
- The error lies in Part B, where the preposition 'on' is used incorrectly after the verb 'attacked.' The correct preposition to be used here is 'him.'
- Part C talks about how Brutus's attack caused heartbreak to Julius Caesar.
- The sentence is grammatically correct after making the correction in Part B.

How many such pairs of letters are there in the word FRIENDSHIP, each of which has as many letters between them in the word as in the English alphabet?
  • a)
    Nil                              
  • b)
    One
  • c)
    Two                            
  • d)
    Three
  • e)
    None of these
Correct answer is option 'D'. Can you explain this answer?

Sarika chauhan answered
Counting Pairs of Letters with Specific Spacing

Problem: Count the number of pairs of letters in the word FRIENDSHIP that have the same number of letters between them as there are letters in the English alphabet.

Solution:
To solve this problem, we need to examine each pair of letters in the word FRIENDSHIP and count the number of letters between them. If this count is the same as the number of letters in the English alphabet (i.e., 26), then we will count that pair as a valid pair.

- Examine Pairs of Letters
We will examine each pair of letters in the word FRIENDSHIP and count the number of letters between them. For example, the pair of letters FR has 16 letters between them, which is not equal to the number of letters in the English alphabet. Similarly, the pair of letters FI has 4 letters between them, which is also not equal to the number of letters in the English alphabet.

- Count Valid Pairs
After examining all pairs of letters in the word FRIENDSHIP, we find that there are three pairs that have the same number of letters between them as the number of letters in the English alphabet. These pairs are:

1. F and U (26 letters between them)
2. N and A (26 letters between them)
3. P and H (26 letters between them)

Therefore, the answer is (D) Three.

My brother has (A) / ordered for (B) / a new book. (C) / no error (D)
  • a)
    My brother has
  • b)
    ordered for
  • c)
    a new book
  • d)
    no error
Correct answer is option 'B'. Can you explain this answer?

Komal sengupta answered
Error Spotting in the Given Sentence

The given sentence is:

My brother has ordered for a new book.

The error in the sentence is in part (B), where the verb 'ordered' is followed by the preposition 'for'. The correct preposition to be used with the verb 'ordered' is 'a'. Therefore, the correct sentence is:

My brother has ordered a new book.

Explanation

- The sentence is in the present perfect tense, which is formed by using the auxiliary verb 'has' and the past participle of the main verb 'ordered'.
- The verb 'order' means to request or demand something to be made, supplied, or done. It takes the preposition 'a' to indicate the thing that is being ordered.
- The preposition 'for' is used to indicate the purpose or the person for whom something is being done. Therefore, it is incorrect to use 'for' with the verb 'ordered'.
- The sentence has no other errors and is grammatically correct after the correction.

Conclusion

The correct sentence is:

My brother has ordered a new book.

This sentence is in the present perfect tense and is grammatically correct. The error in the original sentence was the use of the incorrect preposition 'for' instead of 'a' after the verb 'ordered'.

Chapter doubts & questions for Week 12 - Weekly Test for CLAT UG 2025 is part of CLAT exam preparation. The chapters have been prepared according to the CLAT exam syllabus. The Chapter doubts & questions, notes, tests & MCQs are made for CLAT 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests here.

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