TNPSC Group 4 General Knowledge 2018 Paper
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Question : 47 of 100
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Which of the following statements is/are wrong?
(1) Light year is a unit of time.
(2) Astronomical unit (AU) is a unit of distance.
(3) Parsec is a unit of mass.
(1) Light year is a unit of time.
(2) Astronomical unit (AU) is a unit of distance.
(3) Parsec is a unit of mass.
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