administrative will replace administration because –
an Adj. qualifies a Noun and administrative is
an Adj. qualifying ability (Noun).
Hence, a good sense of design and administrative ability is the right usage

Correct Option: B

administrative will replace administration because –
an Adj. qualifies a Noun and administrative is
an Adj. qualifying ability (Noun).
Hence, a good sense of design and administrative ability is the right usage

has will replace have because –
The increasing mechanisation of life is a Singular Subject and it agrees with Singular Verb.
Hence, has led us farther away from daily contact with nature and is the right usage

Correct Option: B

has will replace have because –
The increasing mechanisation of life is a Singular Subject and it agrees with Singular Verb.
Hence, has led us farther away from daily contact with nature and is the right usage

tolerable will replace tolerably because –
an Adj. qualifies a Noun and tolerable is an Adj. and tolerably is an Adv.
peal (Noun) : a loud sound or series of sounds
monotonous (Adj.) : never changing and therefore boring
jangle (Noun) : a hard noise like that of a metal hitting metal.
mitigated (Verb) : to make something less harmful, serious, etc.
Hence, tolerable only when mitigated by remote distance and sentimental association is the right usage.

Correct Option: C

tolerable will replace tolerably because –
an Adj. qualifies a Noun and tolerable is an Adj. and tolerably is an Adv.
peal (Noun) : a loud sound or series of sounds
monotonous (Adj.) : never changing and therefore boring
jangle (Noun) : a hard noise like that of a metal hitting metal.
mitigated (Verb) : to make something less harmful, serious, etc.
Hence, tolerable only when mitigated by remote distance and sentimental association is the right usage.

but will replace than because –
else is used with but, except, and besides
Look at the examples given below :
She has nothing else to do but to grumble.
No one else but Sunil saw the accident.
Hence, but pride is the right usage

Correct Option: C

but will replace than because –
else is used with but, except, and besides
Look at the examples given below :
She has nothing else to do but to grumble.
No one else but Sunil saw the accident.
Hence, but pride is the right usage

than will be used after the class room because –
No sooner ___ than indicates that the second event occurs immediately after the first.
no sooner introduces the event that occurs first.
Look at the examples given below :
No sooner did I come to the office, than the phone rang.
No sooner had he gone out, than he came in.

Correct Option: B

than will be used after the class room because –
No sooner ___ than indicates that the second event occurs immediately after the first.
no sooner introduces the event that occurs first.
Look at the examples given below :
No sooner did I come to the office, than the phone rang.
No sooner had he gone out, than he came in.