Fill in the blanks with the most appropriate option:-

This book gives us …….. information about Prithvi Raj.

much

The correct option to fill in the blanks is much.

The word "much" is an adjective that means "a large quantity of something". It is the most appropriate word to use in this context, as it describes the fact that the book contains a large amount of information about Prithvi Raj.

The other options are not as appropriate:

• Many is an adjective that means "a large number of things". It is not as appropriate as "much", as it does not convey the same sense of quantity or volume.
• Few is an adjective that means "a small number of things". It is not as appropriate as "much", as it does not convey the same sense of abundance or plentitude.
• More is an adverb that means "to a greater extent". It is not as appropriate as "much", as it does not convey the same sense of quantity or size.