He sailed _______ the river.

• in
• on
• to
• none of these.
Correct Option: B  [ on ]

Remark: "He sailed on the river."

This suggests that he sailed while being on the surface of the river.

When I heard about my grandmother's death, I burst _____________ treas.

• at
• upon
• into
• in
Correct Option: C  [ into ]

Remark:

He robbed me ________ my money.

• of
• from
• with
• to
Correct Option: A  [ of ]

Remark:

I am ashamed ______ your conduct.

• about
• in
• of
• none of these
Correct Option: C  [ of ]

Remark:

This customer is characteristic _________ the Negros.

• for
• of
• in
• to
Correct Option: B  [ of ]

Remark:

I left my bedding ________ the station.

• on
• at
• in
• upon
Correct Option: B  [ at ]

Remark:

Amit is going ______ Rome this summer for a vacation.

• to
• up
• for
• at
Correct Option: A  [ to ]

Remark:

Throw a stone __________ the fierce dog.

• at
• upon
• on
• above
Correct Option: A  [ at ]

Remark:

The government has identified food processing as the key __________ rapid industrialization in Bihar.

• for
• to
• of
• in
Correct Option: A  [ for ]

Remark:

After an inquiry he was relieved ________ his post

• in
• on
• of
• from
Correct Option: C  [ of ]

Remark: "relieved of" typically means to be freed from a duty, responsibility, or obligation.