The correct sentence is:
"China has always fascinated me."
The word "China" is a singular noun, and we use the singular form of the verb "has" with singular subjects.
The sentence is in the present perfect tense, which requires the correct past participle form "fascinated", not "fascinates".
The correct sentence is "China has always fascinated me."
Arun’s present age in years is 40% of Barun’s. In another few years, Arun’s age will be half of Barun’s. By what percentage will Barun’s age increase during this period?