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Question

What is my secret number ?
1. It is smaller than half of 100.
2. It is more than 4 tens and less than 5 tens.
3. The tens digit is two more than the ones digit.
4. Together the digits have a sum of 6.

A
31
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B
48
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C
42
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D
53
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Solution

The correct option is C 42

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