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प्रश्न
What will be the unit digit of the square of the given number?
799
योग
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उत्तर
- We know that if a number has its unit’s place digit as a, then its square will end with the unit digit of the multiplication a × a.
- Since the given number has its unit’s place digit as 9, its square will end with the unit digit of the multiplication (9 × 9 = 81), i.e., 1
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 5: Squares and Square Roots - EXERCISE 5.1 [पृष्ठ ५८]
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संबंधित प्रश्न
What will be the unit digit of the square of the given number?
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The following number are obviously not perfect square. Give reason.
23453
The following number are obviously not perfect square. Give reason.
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Find the greatest number of three digits which is a perfect square.
Find the value of:
\[\frac{\sqrt{80}}{\sqrt{405}}\]
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + ……………… + 39 + 41.
The number of zeros in the square of 91000 is 9
