50. In a 4-digit number, abcd, none of the digits (a, b, c, or d) is greater than 6. A new 4-digit number, wxyz, is to be constructed by keeping the digits in the same order as abcd and increasing exactly 2 of the digits. One digit is to be increased by 2, the other by 3. What is the smallest amount by which the new number can exceed the original number ?

Answer and Explanation

Your Answer is

Correct Answer is G

Explanation

Only two digits have changed, one digit is larger by 2 and the other is larger by 3. So the minimum growth is 23