Ramesh was sitting in a moving train he observed that a person standing outside the train is moving while his co passengers in the train were at rest explain why?
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The following table gives the heights, to the nearest 5cm, of a group of people.
120-135
140-150
155-160
165-170
175-185
Heights (cm)
No. people
30
р
12
16
21
Given that the modal class is 140-150 cm, find the least possible value of p.
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