The largest perfect square between 4 and 50 is ___.
25
36
49
45
The perfect squares between 4 and 50 are:
3×3=9
4×4=16
5×5=25
6×6=36
7×7=49
So, the largest perfect square between 4 and 50 is 49.
There is/are ___ perfect square/squares between 50 and 70.