Advertisements
Advertisements
प्रश्न
What will be the units digit of the square of the following number?
53924
Advertisements
उत्तर
The units digit is affected only by the last digit of the number. we only need to examine the square of its last digit.
Its last digit is 4. Hence, the units digit is the last digit of 16 (16 = 42), which is 6.
APPEARS IN
संबंधित प्रश्न
What will be the units digit of the square of the following number?
99880
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
Which of the following triplet is pythagorean?
(18, 80, 82)
Which of the following triplet pythagorean?
(10, 24, 26)
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 :
12 + 22 + 32 + 42 + ... + 102
Which of the following number is squares of even number ?
256
Find the squares of the following numbers using diagonal method:
171
Find the area of a square field if its perimeter is 96 m.
A 5.5 m long ladder is leaned against a wall. The ladder reaches the wall to a height of 4.4 m. Find the distance between the wall and the foot of the ladder.
Put three different numbers in the circles so that when you add the numbers at the end of each line you always get a perfect square.
