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What will be the unit digit of the squar...

What will be the unit digit of the squares of the following numbers : 55555

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5
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NAND LAL PUBLICATION-SQUARES AND SQUARE ROOTS -Exercise - 6.1
  1. What will be the unit digit of the squares of the following numbers : ...

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  2. What will be the unit digit of the squares of the following numbers : ...

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  3. What will be the unit digit of the squares of the following numbers : ...

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  4. The following numbers are obviously not perfect squares. Give reason :...

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  5. The following numbers are obviously not perfect squares. Give reason :...

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  6. The following numbers are obviously not perfect squares. Give reason :...

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  7. The following numbers are obviously not perfect squares. Give reason :...

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  8. The following numbers are obviously not perfect squares. Give reason :...

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  9. The following numbers are obviously not perfect squares. Give reason :...

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  10. The following numbers are obviously not perfect squares. Give reason :...

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  11. The following numbers are obviously not perfect squares. Give reason :...

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  12. The squares of which of the following would be odd numbers : 431

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  13. The squares of which of the following would be odd numbers : 2826

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  14. The squares of which of the following would be odd numbers : 7779

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  15. The squares of which of the following would be odd numbers : 82004

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  16. Observe the following pattern and find the missing digit. 11^(2) = 1...

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  17. Observe the following pattern and supply the missing numbers. 11^(2)...

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  18. Using the given pattern, find the missing numbers. 1^(2) + 2^(2) + 2...

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  19. Without adding, find the sum: 1 + 3 + 5 + 7 + 9

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  20. Without adding ,find the sum : 1+3+5+7+9+11+13+15+17+19.

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