From the graph, find the number of tickets collected between the interval 14−16.
Convert the following inclusive series into exclusive series:
Class - Interval1−56−1011−1516−2021−25Number of Workers1015202530
There are 20 tickets numbered as 1, 2, 3,..., 20 respectively. One ticket is drawn at random. What is the probability that the number on the ticket drawn is a multiple of 5? (a) 14 (b) 15 (c) 25 (d) 310