GATE Electronics and Communications (EC) 2015 Shift 2 Solved Paper

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Question : 4 of 65
 
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An electric bus has onboard instruments that report the total electricity consumed since the start of the trip as well as the total distance covered. During a single day of operation, the bus travels on stretches M, N, O and P, in that order. the cumulative distances travelled and the corresponding electricity consumption are shown in the Table below:
Stretch
Cumulative distance(km)
Electricity used (kWh)
M
20
12
N
45
25
O
75
45
P
100
57

The stretch where the electricity consumption per km is minimum is 
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