Original expression:
\[ 23 + 17 \times 14 - 133 \div 19 \]
First, perform multiplication and division:
\[ 23 + (17 \times 14) - (133 \div 19) \]
\[ 23 + 238 - 7 \]
Now, perform addition and subtraction:
\[ 23 + 231 = 254 \]
Thus, the correct answer is 254 (Option B).
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?