Mathematics · Number System
If 'a' is an even positive integer and 'b' is an odd positive integer, then which of the following statements is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1a(b - 1) is odd
- 2(a - 1)(b - 1) is odd
- 3a(b - 1) is even✓
- 4(a + 1)(b + 1) is odd
Correct answer
a(b - 1) is even
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