In a large commercial complex
Question:

In a large commercial complex there are four ways to reach the main road. One of the path has loose soil, the second is laid with polished

marble, the third is laid with bricks and the fourth has gravel surface. It is raining heavily and Paheli wishes to reach the main road. The

path on which she is least likely to slip is

(a) loose soil

(b) polished marble

(c) bricks

(d) gravel

Solution:

 (d) She should use gravel surface path because only in this path. She will have sufficient friction force to walk easily.

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