The difference between the first two perfect squares that end with 6 is?
- 30
- 40
- 20
- None of these
Explanation
The numbers whose squares end with 6 are those ending in 4 or 6.
Let's find the first two perfect squares that end with 6:
1. 4^2 = 16
2. 6^2 = 36
The difference between these two perfect squares is:
36 - 16 = 20
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