Question

Janta Express runs at a speed of 153 km per hour. What is its speed in:
(a) metres per minute?
(b) centimetres per seconds with image​

Answer 1

Answer:

Ans.a) 2550m/min

Ans.b) 255000cm/sec

Step-by-step explanation:

Ans.a)

1km = 1000m

153km = 153×1000m

= 153000m

1 hour = 60min

153000m/60min

= 2550m/min

Ans.b)

1km = 1000m (1m = 100cm)

1000m = 1000×100cm

= 100000cm

153km = 153×100000cm

= 15300000cm

15300000cm

1 hour = 60min (1min = 60sec)

60min = 60×60sec

= 3600sec

15300000cm/3600sec

4250cm/sec

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