Perfect Squares Flashcards
1
Q
1^2
A
1
2
Q
2^2
A
4
3
Q
3^2
A
9
4
Q
4^2
A
16
5
Q
5^2
A
25
6
Q
6^2
A
36
7
Q
7^2
A
49
8
Q
8^2
A
64
9
Q
9^2
A
81
10
Q
10^2
A
100
11
Q
11^2
A
121
12
Q
12^2
A
144
13
Q
13^2
A
169
14
Q
14^2
A
196
15
Q
15^2
A
225
16
Q
16^2
A
256
17
Q
17^2
A
289
18
Q
18^2
A
324
19
Q
19^2
A
361
20
Q
20^2
A
400
21
Q
21^2
A
441
22
Q
22^2
A
484
23
Q
23^2
A
529
24
Q
24^2
A
576
25
Q
25^2
A
625
26
Q
26^2
A
676
27
Q
27^2
A
729
28
Q
28^2
A
784
29
Q
29^2
A
841
30
Q
30^2
A
900
31
Q
Essential GMAT Quant Skills
Which of the following is not a perfect square?
2,916
4,225
5,778
7,569
9,604
A
Answer: C
5,778 is not a perfect square
perfect squares always end in 0, 1, 4, 5, 6, or 9.
Perfect Squares NEVER have 2, 3, 7, 8 in the units digit
