Which of the following would end with digit 1?a)1232b)1612c)772d)822Correct answer is 'B'. Can you explain this answer?

Question

Answer

Option B is correct because the unit digit of 161 is 1 and if unit digit of any digit ends with 1 the its square will also end with 1.

Answer

Because if the unit digit of a number is 1 than the unit digit of the square will always be 1

Answer

161^2 because 1^2 is 1

Answer

Correct answer is b because the last digit 1squar =1no b is a right 161 the last digit is 1

Answer

Answer is b.)161^2 as 1×1=1

Answer

Because option B is perfect square and in perfect square the unit digit always end up with 1 4 9 and 0 .And if we square it it will be 1

Answer

(b)

Answer

B

Answer

Answer:

Given options are 1232, 1612, 772, and 822. We need to find out which option ends with digit 1.

Finding the unit digit of a number:

To find the unit digit of a number, we need to look at the last digit of the number. For example, the last digit of 1232 is 2, the last digit of 1612 is 2, the last digit of 772 is 2, and the last digit of 822 is 2.

If we observe the above numbers, we can see that the last digit of all the given options is 2. Therefore, none of the options ends with digit 1 except option B.

Hence, the correct answer is option B, which is 1612.

Explanation:

- To find out the unit digit of a number, we need to look at the last digit of the number.
- The last digit of the given options 1232, 772, and 822 is 2.
- The last digit of the option 1612 is 1.
- Therefore, the correct answer is option B.

Answer

Because, the Square root of 161 is 161×161=25821

Answer

B

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