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प्रश्न
What will be the units digit of the square of the following number?
78367
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उत्तर
The units digit is affected only by the last digit of the number. Hence, we only need to examine the square of its last digit.
Its last digit is 7. Hence, the units digit is the last digit of 49 (49 = 72), which is 9.
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संबंधित प्रश्न
Find the square of the given number.
35
Write a Pythagorean triplet whose one member is 18.
What will be the units digit of the square of the following number?
52698
Which of the following triplet is pythagorean?
(18, 80, 82)
Observe the following pattern
\[\left( 1 \times 2 \right) + \left( 2 \times 3 \right) = \frac{2 \times 3 \times 4}{3}\]
\[\left( 1 \times 2 \right) + \left( 2 \times 3 \right) + \left( 3 \times 4 \right) = \frac{3 \times 4 \times 5}{3}\]
\[\left( 1 \times 2 \right) + \left( 2 \times 3 \right) + \left( 3 \times 4 \right) + \left( 4 \times 5 \right) = \frac{4 \times 5 \times 6}{3}\]
and find the value of(1 × 2) + (2 × 3) + (3 × 4) + (4 × 5) + (5 × 6)
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
54
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Find a Pythagorean triplet in which one member is 12.
The sum of two perfect squares is a perfect square.
