Question

Which of 173, 345, 258 and 496 square would have 6 at unit place ?​

Answer 1

Answer:

496 square would have 6 at unit place

Answer 2

Hint:

Before we solve this problem, let us know a square table,

1^2 = 1, the units digit is 1

2^2 = 2, the units digit is 2

3^2 = 9, the units digit is 9

4^2 = 16, the units digit is 6

5^2 = 25, the units digit is 5

6^2 = 36, the units digit is 6

7^2 = 49, the units digit is 9

8^2 = 64, the units digit is 4

9^2 = 81, the units digit is 1

0^2 = 0, the units digit is 0

Step-by-step explanation:

We have the numbers 173, 345, 258 and 496

1. The units digit of 173 is 3 and its square is 9.
2. The units digit of 345 is 5 and its square is 25.
3. The units digit of 258 is 8 and its square is 64.
4. The units digit of 496 is 6 and its square is 36.

We can see clearly that only the square of the units digit of 496 ends with 6 (since 36).

Final answer: 4. 496

The square of 496 would have 6 at units place.

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