Question

$685693564852136$
What will be the difference of the second-last digit and last digit of the second lowest number after the positions of only the first and the second digits within each number are interchanged?

• A. $6$
• B. $3$
• C. $9$
• D. $4$

Answer 1

Answer: (A)

$6$

$\text{On interchanging the position numbers becomes}$

$865,963,654,582,316$

$\text{Now, the second lowest number is}582$

$\text{Difference of last digit and second last}$

$\text{digit is}=8-2=6$