​What is the digit at the 100^th place of number (225)⁴⁰ ?​

Correct option is A

Given:

the digit at the 100^th place of number (225)⁴⁰

Solution:

100th place mean 3rd digit from the right.

if a number has 25 in the last then,

25² = 625

25³ = 15625

25⁴ = 390625

(125)² = 15625

There will always be 625 at last 3 places

So, last 3 digit of (225)⁴⁰ will be 625.

∴ The correct answer is 6