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प्रश्न
What will be the units digit of the square of the following number?
977
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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
What will be the units digit of the square of the following number?
78367
Which of the following triplet pythagorean?
(16, 63, 65)
Observe the following pattern \[1^2 = \frac{1}{6}\left[ 1 \times \left( 1 + 1 \right) \times \left( 2 \times 1 + 1 \right) \right]\]
\[ 1^2 + 2^2 = \frac{1}{6}\left[ 2 \times \left( 2 + 1 \right) \times \left( 2 \times 2 + 1 \right) \right]\]
\[ 1^2 + 2^2 + 3^2 = \frac{1}{6}\left[ 3 \times \left( 3 + 1 \right) \times \left( 2 \times 3 + 1 \right) \right]\]
\[ 1^2 + 2^2 + 3^2 + 4^2 = \frac{1}{6}\left[ 4 \times \left( 4 + 1 \right) \times \left( 2 \times 4 + 1 \right) \right]\] and find the values :
52 + 62 + 72 + 82 + 92 + 102 + 112 + 122
Find the squares of the following numbers using column method. Verify the result by finding the square using the usual multiplication:
54
Find the squares of the following numbers using diagonal method:
273
Find the squares of the following numbers using diagonal method:
171
The sides of a right triangle whose hypotenuse is 17 cm are ______ and ______.
If x and y are integers such that x2 > y2, then x3 > y3.
Can a right triangle with sides 6 cm, 10 cm and 8 cm be formed? Give reason.
Find the area of a square field if its perimeter is 96 m.
