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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
Write a Pythagorean triplet whose one member is 6.
Write a Pythagorean triplet whose one member is 18.
What will be the units digit of the square of the following number?
12796
What will be the units digit of the square of the following number?
55555
Observe the following pattern
22 − 12 = 2 + 1
32 − 22 = 3 + 2
42 − 32 = 4 + 3
52 − 42 = 5 + 4
and find the value of
992 − 962
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 square of the following number:
127
Find the square of the following number:
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Find the square of the following number:
995
Find the length of the side of a square if the length of its diagonal is 10 cm.
