Three numbers are divisible by 3 and have an even tens digit. Which number is different?
Correct answer: D. 57
- A. 24
- B. 42
- C. 66
- D. 57
Explanation
24, 42 and 66 are divisible by 3, and their tens digits are even. The tens digit of 57 is odd, so 57 breaks the combined rule.
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Critical thinking examines how conclusions follow from evidence, including claims, assumptions, arguments, inferences and relevant facts. Questions ask you to identify hidden assumptions, distinguish strong from weak evidence, assess cause and effect, recognise common reasoning errors, and decide which statement strengthens or weakens an argument.
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