GATE Civil Engineering (CE) 2020 Shift 1 Solved Paper

The unit digit in the power of 9 can be found by,
$9^1=9\to$ unit digit is
9 $9^2=81\to$ so, unit digit is 1
$9^3=729\to$ unit digit is 9
$9^4=6561\to$ unit digit is 1
So, from the above sequence, if follows that 9 power, if even the unit digit will be $1.$ and if 9 power, is odd unit digit will be 9 As per the question, ${26591749}^{110016}$
The answer of unit digit will be 1 .