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Qn #1991
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A watch which gains 10 seconds in 5 minutes was set correct at 9 a.m. When the watch indicated 20 minutes past 7 o’clock the same evening, the true time is:
A.
7 p.m.
B.
7.40 p.m.
C.
7.10 p.m.
D.
8 p.m.
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❓ Question: A watch which gains 10 seconds in 5 minutes was se... | TANCET Group Studies | Tancet Group Studies