186
Question
My watch gains uniformly is 2 minutes slow at noon on Sunday and is 4 minutes 48 seconds fast at 2 p.m. on the following Sunday When was it correct?
My watch gains uniformly is 2 minutes slow at noon on Sunday and is 4 minutes 48 seconds fast at 2 p.m. on the following Sunday When was it correct?
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Solution
The correct option is B Tuesday 2 p.m.
On first Sunday -2 min RT
On second Sunday- 2 pm. + 4486044860
From Sunday (12 moon ) to Sunday (2p.m.)= 170 hrs.
Watch gains 2+44860=645m2+44860=645m
∴∴6452=170?6452=170?
⇒⇒ ?=50 hrs. = 2 days 2 hrs.
Hence watch was correct on Tuesday 2 p.m.
On first Sunday -2 min RT
On second Sunday- 2 pm. + 4486044860
From Sunday (12 moon ) to Sunday (2p.m.)= 170 hrs.
Watch gains 2+44860=645m2+44860=645m
∴∴6452=170?6452=170?
⇒⇒ ?=50 hrs. = 2 days 2 hrs.
Hence watch was correct on Tuesday 2 p.m.
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