Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).
Astronomy & UniverseSolar System
How long has the Sun taken to use up half of its hydrogen fuel?
- A.4.6 billion yearsCorrect answer
- B.2.3 billion years
- C.10 billion years
- D.6.9 billion years
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Practice these MCQs in the appQuick fact: The Sun has taken approximately 4.6 billion years to use up half of its hydrogen fuel, as it is currently a middle-aged star.