At a certain time in a deer park, the number of heads and the number of legs of deer and human visitors were counted and it was found that there were 39 heads and 132 legs. Find the number of deer and human visitors in the park. what value will be depicted if we take care of animals?
The number of visitors in a trekking arena on a public holiday was 600. On the next day, which was a working day, if there were only 240 visitors, then what was the percentage decrease in number of visitors on the working day?