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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.
संबंधित प्रश्न
Find the square of the given number.
32
Write a Pythagorean triplet whose one member is 6.
What will be the units digit of the square of the following number?
78367
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
1112 − 1092
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:
205
Find the square of the following number:
95
The sum of successive odd numbers 1, 3, 5, 7, 9, 11, 13 and 15 is ______.
Write two Pythagorean triplets each having one of the numbers as 5.
