Question

व्हाट इज द कॉमन नाउन ऑफ द ताज महल मैरीकॉम यूरोप ​

Answer 1

A proper noun refers to a particular person and always start with a capital letter. In the given sentence, Taj Mahal refers to and is the name of a particular monument and is the proper noun. Correct answer is Option A.

Option B i.e seven is an adjective, not a noun.

Option C i.e world is a common noun. 

Answer 2

Answer:

Aamir Khan actor

Ruskin bond writer

Mary Kom boxer

Guwahati capital of Assam

Kerala a state of India

the Yamuna river

Africa continent

the Taj Mahal monument

Europe country

the Bible holy book