A watch which gains uniformly is 4 minutes slow at 9 A.M on Sunday and is 4-minute 15 sec. fast at 9 P.M on the upcoming Friday. When was it correct?
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Q:
A watch which gains uniformly is 4 minutes slow at 9 A.M on Sunday and is 4-minute 15 sec. fast at 9 P.M on the upcoming Friday. When was it correct?
- 11 A.M Wednesdaytrue
- 21 P.M Mondayfalse
- 32 A.M Thursdayfalse
- 46 P.M Tuesdayfalse
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