Ages: present age from a then-and-now relation

This type of question, asked 2 times: 18 Sep 2025 S2, 26 Sep 2025 S1. All 2 questions below, oldest first.

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Question 1
18 Sep 2025 S2
24 $If a man's present age is twice what it was 10 years ago, what is his current age?$
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Question 2
26 Sep 2025 S1
24 $A man is 4 times as old as his daughter. In 20 years, he will be twice as old as she will be then. How old is the daughter now?$
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