Question
Average age of a class of 25 students is 13 years.
Average age of the class is increased by 30 months if the age of the teacher is included. Find the age of the teacher.Solution
Sum of the ages of all the students in the class = 25 × 13 = 325 years Sum of the ages of the students along with teacher = 26 × 15.5 = 403 years So the age of the teacher = 403 – 325 = 78 years
Assume that there are equal numbers of male and female students in a university. Of all male students, 10 per cent major in economics; and of ...
In case of full Crowding out effect what is the shape of the LM curve
Which of the following four-firm concentration ratios is most consistent with perfect competition?
If a country’s policy makers were to continuously use expansionary monetary policy in an attempt to hold unemployment below the natural rate the long-...
Consider an Economy that produces only Apples and Bananas. The following Table contains per unit price (in INR) and quantity (in kg) of these goods. Ass...
Which of the following statements accurately describes the Jarque-Bera (JB) test criterion?
Within a country, the domestic price of a product will equal the world price if
If a random variable X follows a uniform distribution between 0 and 1, what is the expected value of X?
Which of the following statements is not true regarding BIS?
Which of the following conditions is not necessary for ordinary least squares to be the best unbiased linear estimator (BLUE)?Â
