|
A car covers 30 km at a uniform speed of 60 km/hr and the next 30 km at a uniform speed of 40 km/hr. The total time taken is |
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|
(a) |
30 min |
(b) |
45 min |
|
(c) |
75 min |
(d) |
120 min |
|
A car covers 30 km at a uniform speed of 60 km/hr and the next 30 km at a uniform speed of 40 km/hr. The total time taken is |
|||
|
(a) |
30 min |
(b) |
45 min |
|
(c) |
75 min |
(d) |
120 min |