Starting from a point, a person walks 7 km east and then 3 km west. How far is he from the starting point?
Answer and explanation
Correct answer: D. 4 km
- Step 1: He walks 7 km east and returns 3 km west.
- Step 2: Distance from the start = 7 - 3 = 4 km.
Answer
4 km.
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