The word "scissors" is always plural, but when referring to "a pair of scissors," it is treated as singular.
The correct phrase is:
"A pair of scissors is blunt."
The correct sentence should be:
"A pair of scissors is blunt."
Thus, the correct answer is Option D ("A pair of scissors is blunt").
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?