Which of the following statements are correct ?

1. When marginal revenue is positive, total revenue increases with increase in output.

2. When marginal revenue is zero, total revenue is maximum.

3. When marginal revenue becomes negative, total revenue falls with increase in output.
Select the correct answer using the code given below :

Consider the following statements : 1. Rafael Nadal won Men’s Singles French Open Tennis Tournament…

In April 2013, an agreement was signed between India and a country which extends the…

Which of the following pairs of Constitutional authority and procedure of appointment is/are correctly matched…

Among the following ideals and philosophy, identify those enshrined in the Preamble to the Constitution…

Electoral disputes arising out of Presidential and Vice-Presidential Elections are settled by :