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Q.

The distance between Reeta's house and her office is 14 km. She covers 10 km 65 m by scooter, 3 km 75 m by bus and the rest on foot. Which of the following represents the remaining distance she covered by walking?


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a

860 m

b

840 m

c

850 m

d

840 m 

answer is C.

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Detailed Solution

detailed_solution_thumbnail
Given,
Total distance between Reeta’s house and her office = 14 km.
Distance covered by scooter,
= 10 km 65 m
=10.065 km [1km = 1000m]
Distance covered by bus,
= 3 km 75 m
=3.075 km [1km = 1000 m]
Total distance covered by scooter and by bus = 10.065 km + 3.075 km.
= 13.140 km
Remaining distance covered by walking = (14.000 – 13.140) km.
= 0.860 km
= 860 m [1km = 1000 m]
Hence, the distance covered by walking is 860 m.
Therefore, option 3 is correct.
 
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The distance between Reeta's house and her office is 14 km. She covers 10 km 65 m by scooter, 3 km 75 m by bus and the rest on foot. Which of the following represents the remaining distance she covered by walking?