Correct Answer:
A. is
The phrase "Fifty rupees" functions as a singular unit representing an amount of money. Therefore, the singular verb "is" is correct. "Have" is plural, and "had" is past tense, neither fitting the singular present context.
The phrase "Fifty rupees" functions as a singular unit representing an amount of money. Therefore, the singular verb "is" is correct. "Have" is plural, and "had" is past tense, neither fitting the singular present context.