Question

The number which will end with digit $1$ is _____.

• A. $(82{)}^2$
• B. $(97{)}^2$
• C. $(91{)}^2$
• D. none of these

Answer 1

The correct option is C $(91{)}^2$

In option A, the last digit in the number $(82{)}^2$ is $4$

In option B, the last digit in the number $(97{)}^2$ is $9$

In option C, the last digit in the number $(91{)}^2$ is $1$

Therefore, option C is the correct answer.