A car covers a certain distance taking 7 hours in forward
journey. During the return journey, speed was increased by
12 kmph and it takes 5 hours. What is total distance covered?
(a) 210 km
(b) 70 km
(c) 440 km
(d) 220 km
(e) None of these
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Answer Posted / sankar adhikari
Let the speed is X km per hour
so total journey = 7 x X = 7X
so 7X = 5(X+12)
7X - 5X = 60
X = 30
So, Total journey = 7 x 30 = 210 k.
30 x 7 = 210 k.
(30+12) = 42 x 5 = 210 km.
| Is This Answer Correct ? | 13 Yes | 1 No |
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