Which of the following triplets are Pythagorean?
(1,2,3)
(1,1,1)
(9,40,41)
(7,8,10)
A number ending in _____ is never a perfect square.
4
5
6
7
The volume of a cuboid box is 512 cm3. Find the length of each side of the box.
8
9
What is the cube of -1.5?
-3. 375
3.375
1.375
-1.375
Which of the following number becomes a perfect cube when we divide the number by 5?
25
125
625
3125
The cube of a number x is nine times of x, then the value of x where x ≠ 0 and x ≠ -3, is
2
3
Which of the following perfect squares is the square of an odd number?
256
144
729
400
How many natural numbers lie between 92 and 102.
16
18
20
14
By what least number must 21600 be multiplied to make it a perfect cube?
10
30
60
Find the number of zeros in the square number 4000.
