How to practice concept:traffic-signs

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Question 43

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CE2MCQ2 marksNeeds review
The consolidated data of a spot speed study for a certain stretch of a highway is given in the table.
Speed range (kmph)
Number of observations
0 - 10
7
10 - 20
31
20 - 30
76
30 - 40
129
40 - 50
104
50 - 60
78
60 - 70
29
70 - 80
24
80 - 90
13
90 - 100
9
The “upper speed limit” (in kmph) for the traffic sign is
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