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प्रश्न
What will be the units digit of the square of the following number?
99880
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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 0. Hence, the units digit is 02, which is equal to 0.
संबंधित प्रश्न
Find the square of the given number.
46
Write a Pythagorean triplet whose one member is 16.
From the pattern, we can say that the sum of the first n positive odd numbers is equal to the square of the n-th positive number. Putting that into formula:
1 + 3 + 5 + 7 + ... n = n2, where the left hand side consists of n terms.
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
1002 − 992
Which of the following triplet is pythagorean?
(18, 80, 82)
Find the square of the following number:
995
Can a right triangle with sides 6 cm, 10 cm and 8 cm be formed? Give reason.
Write two Pythagorean triplets each having one of the numbers as 5.
The dimensions of a rectangular field are 80 m and 18 m. Find the length of its diagonal.
Find the area of a square field if its perimeter is 96 m.
