Which of the following road signal tells us that parking is not allowed ?
Consider the following statements: 1. Boundries of national parks are marked by legislation. 2. Cultivation and grazing activities are not allowed inside a national park. Which of the above statement(s) is/are correct?
Given 4 flags of different colours , how many different signals can be generated, if a signal requires the use of 2 flags one below the other?[By default, repetition is not allowed unless it is said in the question.]