Explanation

• Professor: Lecture: : Doctor:  Medicine. 
• ***
• Professor delivers lectures to his students.
• Similarly, a doctor gives medicine to his patients.

Explanation

• man: machine: master: slave
• **
• The machine is made to work under the instructions of man. Similarly, a slave works under the instructions of his master.
  

Explanation

• skeleton: body: grammar: language
• ***
• Just as the skeleton forms the framework of the body, so also Grammar lays down the essentials of language
  

Explanation

• This analogy pairs a noun (food/water) with the primary verb action associated with consuming it (eat/drink). 
  • Food is meant to be eaten.
  • Water is meant to be drunk (or simply "drink"). 

Explanation

• Select the suitable combination
• The threat is best to keep the meaning of the original sentence
• 
  ***
• 
  
• Poet uses a pen to write poetry.
• The tailor uses a needle to sew the cloth.

Explanation

Accelerate is to Velocity as. 

This is "verb is to noun as".

If something accelerates, its velocity increases with respect to time.

Explanation

Note: Scale 

Letter: Alphabet 

A Letter is a small unit of the Alphabet.

Explanation

Precedent : Justification

Authority: Sanction

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Explanation

• Fan is related to Wings in the same way as Wheel is related to Spokes
• ***
• Wings are parts of a Fan as Spokes are parts of a Wheel.
• Spoke is a rod that connects a wheel to its center.

Explanation

• PULSATE: THROB
• Examine: Scrutinize
• ***
• Pulsate دھڑکن
• Throb دھڑکن
• Examine پرکھنا
• Scrutinize چھان بین کرنا
• Pulsate and Throb is synonyms for Examine and Scrutinize.