1.
which smallest number should be added to 80 so as to make it a perfect square ?
A
2
B
3
C
1
D
4
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40 practice sets · Page 1 of 2
which smallest number should be added to 80 so as to make it a perfect square ?
2
3
1
4
Which of the following number would have digit 6 at units place ?
192
242
252
132
Which of the following number would have digit 5 at units place :
952
592
242
422
Which of the following number would have digit 1 at units place ?
812
182
542
952
Which of the following is not a square number?
4
9
16
24
Which of the following is not a perfect square ?
81
18
100
121
Which of the following is a perfect square ?
45
81
18
54
Which least number should be subtracted from 629 so as to get a perfect square ?
4
5
6
3
Which is the smallest three-digit perfect square?
100
101
121
144
Which is the smallest square number that is divisible by each of the number 4,9 and10?
900
810
800
920
Which is the smallest 4-digit perfect square?
1024
1025
1000
1016
Which is the greatest three-digit perfect square?
999
961
962
970
Which is the greatest 4-digit perfect square?
9999
9990
9800
9801
What will be the value of 'x' in Pythagorean triplet (6,8, x)?
5
7
10
11
What will be the number of zeros in the square of 400 ?
5
1
3
4
What will be the number of digits in the square root of 25600?
3
2
5
4
What will be the number of digits in the square root of 1296?
2
3
1
4
What will be the length of third side of a right angled triangle whose hypotenuse is 5cm and one of the side is 3 cm ?
2
3
4
5
What will be the "one's digit" in the square of 1234 ?
6
2
8
9
What is the smallest square number which is divisible by each of the numbers 6,9 and 15 ?
900
810
630
720