As we know that ,
The word “ransom” gives us the clue. A ransom is the money ( ₹ 8, 000 ) that has to be paid to the kidnapper (here, “servant” ) so that he will set free the person kidnapped (here, the “five-year-old boy” ).

Correct Option: D

As we know that ,
The word “ransom” gives us the clue. A ransom is the money ( ₹ 8, 000 ) that has to be paid to the kidnapper (here, “servant” ) so that he will set free the person kidnapped (here, the “five-year-old boy” ).
The correct word is filled in the above given sentence :-
A five-year-old boy was kidnapped from his school on Monday last by his servant for a ransom of Rs 8, 000.
So , required word will be option D .

As we can say that ,
The trend shows which way the graph is moving: is it rising or falling?

Correct Option: B

As we can say that ,
The trend shows which way the graph is moving: is it rising or falling? The word “rise” gives us the clue.
The correct word is filled in the above given sentence :-
The unprecedented rise in the price of gold in India, contrary to the trend elsewhere in the world, is baffling the experts.
So , required word will be option B .

As we can say that ,
If a language is spoken by many people or throughout a large area, we say that it is widely spoken.

Correct Option: C

As we can say that ,
If a language is spoken by many people or throughout a large area, we say that it is widely spoken.
The correct word is filled in the above given sentence :-
Undoubtedly, English is the most widely spoken language in the world today.
Thus , required word is option C .

As we can say that ,
Students of physics must be well aware of friction.

Correct Option: C

As we can say that ,
Students of physics must be well aware of friction. Friction is the force that makes it difficult for things to move freely when they are touching each other. It thus shows a lack of co-ordination. If there is friction between people, there is disagreement and argument between them. That is exactly what happens “between labour and management.”
The correct word is filled in the above given sentence :-
Friction between labour and management is inevitable in any industrial society.
Hence , option C is correct word .

As we know that ,
(a), (b) and (d) are close choices. deviation is moving away from the normal (here “chosen”) path.

Correct Option: B

As we know that ,
(a), (b) and (d) are close choices. Distraction happens to your thoughts. When we are talking of ‘path’, it is either deviation or diversion. While diversion is moving away from the main course (road), deviation is moving away from the normal (here “chosen”) path.
The correct word is filled in the above given sentence :-
Success comes to those who are vigilant not to permit deviation from the chosen path.
Hence , option B is correct word .