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प्रश्न
Write the possible unit's digit of the square root of the following number. Which of these number odd square root?
998001
उत्तर
The unit digit of the number 998001 is 1. So, the possible unit digits are 1 or 9. Note that 998001 is equal to (33 x 37)2. Hence, the square root is an odd number.
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