The correct answer is: Spoil somebody's chance of doing something.

Key Points

• The idiom "queer pitch" means to spoil somebody's chance of doing something, especially in a sly or underhanded way. (किसी के कुछ करने के अवसर को ख़राब करना, विशेष रूप से धूर्ततापूर्वक या गुप्त तरीके से)
• The word "queer" in this context means strange or suspicious.
• The word "pitch" refers to a situation or opportunity.
  • Example: The rival team's coach tried to queer our pitch by bribing the referees.

Therefore, option 4 is the correct answer.

The correct answer is "Denied."

Key Points

• "Confessed" means to admit that you have done something bad or wrong. (अपराध या दोष स्‍वीकार करना)
  • Example: The young woman confessed to stealing the money.
• The antonym of 'confessed' is 'denied.'
• "Denied" means to declare untrue or to refuse to acknowledge. (किसी बात से इनकार करना; किसी बात को नकारना)
  • Example: She denied my entry.
• In the given sentence, the cops used physical torture to make the suspects confess, so the opposite of confessing would be denying.
• The correct answer is Option 4.

Additional Information

• Option 1, Revealed: This means to make known or to disclose, which is not the opposite of confessing. ((गुप्‍त या पूर्वतः अज्ञात वस्‍तु को) प्रकट करना, रहस्‍य खोल लेना)
• Option 2, Recognised: This means to identify or acknowledge the existence of something, which is not the opposite of confessing. (किसी को पहचानना (पहले देखे या सुने को दुबारा जानना))
• Option 3, Acknowledged: This means to admit the existence or truth of something, which is similar to confessing but not the opposite. (किसी बात की सचाई को स्‍वीकार करना; मान लेना, मान्‍यता देना)

The correct answer is "Remmission".

Key Points

• In the given question, among the given options, the word "remmission" is used incorrectly.
• The correct spelling is "Remission".
• The incorrect spelling has an extra "m" in it.
• The word "remission" means a temporary or permanent decrease or subsiding of something. (किसी चीज़ का अस्थायी या स्थायी रूप से कम होना या कम होना)
  • Example: The president allowed the remission of his punishment.

Hence, the correct answer is option 4.

Additional Information

• Option 1, "Arrangement" (व्यवस्था), is spelled correctly and means the act of organizing or arranging something.
• Option 2, "Jeopardize" (ख़तरे में डालना), is spelled correctly and means to put something or someone in danger.
• Option 3, "Corruption" (भ्रष्टाचार), is spelled correctly and means dishonest or fraudulent conduct by those in power.

The correct answer is: Serious

Key Points

• Antonym of a word means a word that has the opposite meaning of the given word.
• Witty means clever and humorous. (चतुर और विनोदी)
  • Example: His witty remarks kept the audience entertained.
• Marked option Serious means solemn and not humorous. (गंभीर और विनोदी नहीं)
  • Example: The professor adopted a serious tone when discussing the research findings.
• Therefore, serious is the most appropriate antonym for witty.

Thus, option 1 is the correct answer.

Additional Information

• Cynical means distrustful and skeptical. (अविश्वासी और संशयवादी)
• Callous means insensitive and cruel. (असंवेदनशील और क्रूर)
• Giddy means dizzy and lightheaded. (चक्कर आना और सिर घूमना)

The correct answer is "Oliver told his teacher that she had taken his notebook."

Key Points

• The reporting verb "said" is changed to "told" in reported speech if there is a personal object. 
• The pronoun "she" and the possessive "my" remain the same because these refer to people other than the speaker and the listener (Oliver and his teacher).
• Conjunction "that" will be used instead of inverted commas.
• The verb form "had taken" is already in the past perfect tense, which typically remains unchanged in reported speech. 

Therefore, the correct answer is "Option 3".

The correct answer is: Lessen

Key Points

• Mitigate means to make something less severe or intense. (किसी चीज़ को कम गंभीर या गहन बनाना)
  • Example: Installing new safety measures can help mitigate workplace risks.
• Marked option Lessen means to reduce in amount, degree, or intensity. (मात्रा, डिग्री या तीव्रता में कमी करना)
  • Example: Taking regular breaks can lessen the strain on your eyes while working on the computer.
• So, it is clear that Lessen is a synonym for mitigate.

Therefore, the correct answer is option 4.

Additional Information

• Show means making something visible, to display or present. (किसी चीज़ को दृश्यमान बनाना, प्रदर्शित करना या प्रस्तुत करना)
• Accelerate means to increase the speed or rate of something. (किसी चीज़ की गति या दर बढ़ाना)
• Divert means to redirect or change the course of something. (किसी चीज़ की दिशा को पुनर्निर्देशित करना या बदलना)

The correct answer is 'Option 1' i.e. 'The mathematician found the solution to the complex equation.'

Key Points

• The original sentence is in passive voice and is in Simple Past tense.
• When transforming from passive to active voice, the agent 'the mathematician' becomes the subject.
• 'The solution', which is the subject in the passive voice, becomes the object in the active voice.
• The verb 'was found' becomes 'found' to conform to the Simple Past tense in active voice.
• Therefore, the correct answer is-'The mathematician found the solution to the complex equation.'

Additional Information

• Option 2: The subject and object are reversed, and it changes the intended meaning of the original sentence.
• Option 3: The sentence structure is incorrect. The object and action are not depicted properly.
• Option 4: While it seems correct, the actual meaning changes as it suggests that the mathematician found the equation, not the solution.

The correct answer is "endurance."

Key Points

• 'Endurance' refers to the ability to withstand an unpleasant or difficult process or situation without giving way.
• In the context of a marathon, it denotes the capacity to sustain the extended physical exertion required.
• Therefore, the completed sentence reads: "Without good endurance, it's difficult to complete the marathon."

Hence, the correct answer is "Option 1.".

Additional Information

• 'Fatigue': represents tiredness or exhaustion.
  • It would be counterproductive in trying to complete a marathon, not helpful.
• 'Discord': denotes disagreement or strife, and does not have a relevant connection to the physical task of completing a marathon.
• 'Disloyalty': pertains to a lack of faithfulness or loyalty, which is also unrelated to the physical condition required to finish a marathon.

The correct answer is: QRPS

Key Points

• Part Q: Sets the context by specifying the subject of the sentence.
• Part R: Provides information about the nature of the route mentioned earlier, indicating that it is challenging or difficult.
• Part P: Explains the reason for the arduous nature of the route. It provides additional details about the challenging features of the terrain.
• Part S: Adds another layer of information, highlighting the scenic beauty of the place. It gives context to why the route, despite its challenges, might be worth traversing.
• So, when combined, the sentence reads: "The route to Badrinath is one of the most arduous ones due to the lofty hilly terrain, curves, and cliffs, amidst the most scenically beautiful place on the earth."

Thus, option 1 is the correct answer.

The correct answer is: The straightforward and ethically acceptable

Key Points

• The idiom 'on the straight and narrow' means to follow an honest and morally acceptable path. (एक ईमानदार और नैतिक रूप से स्वीकार्य मार्ग का अनुसरण करना)
  • Example: After facing some challenges in his youth, he decided to stay on the straight and narrow, focusing on building a successful and lawful life.
• The phrase is often used to describe someone who has reformed their ways and is now living an honest life.

Therefore, the correct answer is option 2.