An unmarried man. (one word substitution)

• Bachelor
• Master
• Miser
• Spinster
Correct Option: A  [ Bachelor ]

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Science or hobby of studying the history of coins

• Minting
• Numismatics
• Coinage
• Coinology
Correct Option: B  [ Numismatics ]

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Young cow that has not yet had a calf. (one word substitution)

• Cowlet
• Ewe
• Heifer
• none of these
Correct Option: C  [ Heifer ]

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Money paid to employees on retirement

• gratuity
• gift
• pension
• arrears
Correct Option: A  [ gratuity ]

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A person who does not think or behave like everyone else, but has independent, unusual opinions:

• Hermit
• Individual
• Maverick
• Matriarch
Correct Option: C  [ Maverick ]

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Walking in sleep :

• Hallucination
• Somniloquism
• Somnambulism
• Soliloquy
Correct Option: C  [ Somnambulism ]

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Not to be moved by entreaty

• Rigorous
• Negligent
• Inexorable
• Despotic
Correct Option: D  [ Despotic ]

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The specialist who handles problems in the human body related to bones is a / an

• Orthodontist
• Osteopath
• podiatrist
• Oncologist
Correct Option: B  [ Osteopath ]

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A person who compile a dictionary

• Author
• Linguist
• Grammarian
• Lexicographer
Correct Option: D  [ Lexicographer ]

Remark:

To scold or rebuke somebody

• chicanery
• chide
• caress
• carnage
Correct Option: B  [ chide ]

Remark: