Question
Train A (150 m) runs at 60 km/h and Train B (100 m) runs
at 42 km/h in the same direction. How much time will A take to completely overtake B?Solution
ATQ, Relative speed = 60 - 42 = 18 km/h Convert 18 km/h to m/s: 18*(5/18) = 5 m/s Distance to be covered = 150 + 100 = 250 m Time = 250/5 = 50 s
Some equations are solved on the basis of a certain system. Find the correct answer for the given equations on that basis:-
5 × 7 × 4 = 53
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