A square field has an area of 441 cm2. The perimeter of the field is.
48
84
21
42
Which of the following perfect squares is the square of an odd number?
256
144
729
400
Cube root of 3375 is.
25
15
35
45
Which number is a perfect square?
2222
3453
85527
1089
The greatest number of three digits which is a perfect square.
999
998
961
981
A number ending in _____ is never a perfect square.
4
5
6
7
Find the number of zeros in the square number 4000.
8
Which of the following triplets are Pythagorean?
(1,2,3)
(1,1,1)
(9,40,41)
(7,8,10)
There are 2401 students in a school .P.T teacher wants them to stand in rows and columns such that the number of rows is equal to the number of columns. Find the number of rows.
47
49
51
59
Which is the cube root of 0.064?
0 . 04
0 . 4
0. 004