Select the option that can be used as a one-word substitute for the given group of words.
A book or paper written by hand

Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
I knew very little Spanish when I came here, but I have been learning and can now make myself understood.

Select the most appropriate option to fill in the blank.
Tickets for the event are available ______the door; there is no advance booking.

Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’.
Gel ingredients work well on waved, curled, relax and texture hair in the long run.

Select the option that can be used as a one-word substitute for the given group of words.

A group of guns or missile launchers operated together at one place

Select the option that can be used as a one-word substitute for the given group of words.

A thing or substance that is liable to catch fire easily

Select the most appropriate synonym of the given word. 

The plan is to demolish the kitchen area and build a new room.

The following sentence has been split into four segments. Identify the segment that contains a grammatical error.

Scientists believe / that many animals have / a unique languages / of their own.