517 325 639 841 792. What will be the middle digit of the second lowest number after the position of only the first and the second digits within each number are interchanged

Options

A. 5
B. 2
C. 7
D. 3

Answer

d

Explanation

After interchanging the first and the second digits, numbers become as follows,
157 235 369 481 972
When arranged in descending order the numbers become as follows,
972 481 369 235 157
Here, the second lowest number is 235. Hence, middle digit of 235 is 3.