Given operator replacements:
Rewriting the given expression:
\[ 12.5 \times 14 \div 8.75 + 12. \]
The value of the expression is 32, so the correct answer is (D) 32.
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?