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Which of 123^2, 77^2, 82^2, 161^2, 109^2...

Which of `123^2, 77^2, 82^2, 161^2, 109^2` would end with digit 1?

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ASHOK PUBLICATION ASSAM-Squares and Square Roots-EXAMPLE
  1. Can we say whether the following numbers are perfect squares? How do w...

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  2. Write five numbers which you cannot decide just by looking at their un...

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  3. Which of 123^2, 77^2, 82^2, 161^2, 109^2 would end with digit 1?

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  4. Which of the following numbers would have digit 6 at unit place. 19^...

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  5. Which of the following numbers would have digit 6 at unit place. 24^...

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  6. Which of the following numbers would have digit 6 at unit place. 26^...

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  7. Which of the following numbers would have digit 6 at unit place. 36^...

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  8. Which of the following numbers would have digit 6 at unit place. 34^...

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  9. What will be the "one's digit" in the square of the following numbers?...

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  10. What will be the "one's digit" in the square of the following numbers?...

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  11. What will be the "one's digit" in the square of the following numbers?...

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  12. What will be the "one's digit" in the square of the following numbers?...

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  13. What will be the "one's digit" in the square of the following numbers?...

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  14. What will be the "one's digit" in the square of the following numbers?...

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  15. The square of which of the following numbers would be an odd number'an...

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  16. The square of which of the following numbers would be an odd number'an...

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  17. The square of which of the following numbers would be an odd number'an...

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  18. Find whether each of the following numbers is a perfect square or not ...

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  19. The square of which of the following numbers would be an odd number or...

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  20. Find whether each of the following numbers is a perfect square or not ...

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