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4 statistic-q12 AUTOMOBILE TRIPS, there are 2 major roads from city X to city Y and 4 major roads from city Y to city Z .
ex 4.4 statistic-q12 AUTOMOBILE TRIPS, there are 2 major roads from city X to city Y and 4 major roads from city Y to city Z . how many different trips can be made from city y to city Z passing through city Y? need complete solution , I am getting 6 answer by combination rule