Question

A boy walks along a straight line for a distance of 1 km. He then turns back and walks 100 m. The total distance covered by the boy is:
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Answer 1

Answer:-

Distance walked along 1 straight line= 1km
Distance walked when he turns back= 100m
Total distance= 1km+100m= 1.100 km or 1km100m
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Answer 2

Given:

The distance walked by boy in straight line, s1 = 1 km = 1000 m

The distance walked by boy in reverse direction, s2 = 100 m

To Find:

The total distance covered by the boy.

Calculation:

- The total distance travelled by the boy = The distance walked by boy in straight line + The distance walked by boy in reverse direction

⇒ The total distance travelled = s1 + s2

⇒ The total distance travelled = 1000 + 100

⇒ The total distance travelled by the boy = 1100 m or 1.1 km

- So, the total distance travelled by the boy is 1100 m or 1.1 km