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OpenStudy (anonymous):
A car starts at 10.00 am at speed of 60km/h and 2nd starts one hour later at 80km/h. at what time will the 2nd car overtake the 1st?
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OpenStudy (anonymous):
Key: Distance covered by both the cars is same. So, if the 2nd car overtakes the 1st car after x hours (from 10:AM), then Distance covered by the 1st car = 60 times x km and that covered by 2nd car = 80 time (x-1) so, 60x = 80x- 80 x= 4 hours At 10 + 4 = 12 Overtake will be at 12 noon
OpenStudy (anonymous):
10 + 4 = 2 pm thnksss
OpenStudy (anonymous):
Oh..! :P
OpenStudy (anonymous):
yea :P
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