The square of 100 is
100
1000
10000
100000
For any number n and its successor n + 1.
( n + 1 ) + n = ( n + 1 )2 - n2
( n + 1 ) - n = ( n + 1 )2 + n2
( n + 1 )2 + n2 = n 2+1
None of these
Write unit digit of the square of 21287?
6
7
8
9
Which of the given number is a perfect square ?
50
60
The sum of 1 + 3 + 5 + 7 + 9 without actual calculation is :
24
25
36
16
What will be the unit digit of the square of the number 127936
18
Which of the following number cannot be a perfect square by look at the unit of the number?
2025
2058
1296
62500
(95)2 = ?
8 × 9 hundreds + 25
9 × 10 hundreds + 25
7 × 9 hundreds + 25
9 × 11 hundreds + 25
Which of the following triplet is Pythagorean triplet?
( 12, 35, 37)
( 12, 13, 4 )
( 15, 18, 26 )
( 22, 100, 102 )
Which of the following is not a perfect square?
225
121
400
130
