Question
A shadow of a tower standing on level ground is found to
be 40√3 meters longer when the Sun's altitude is 30° than when it is 60°. The height of the tower is:Solution
ATQ, Let the height of the tower be h . 
The difference in shadow lengths is given as 40√3 : 
Solving this gives: 
Walraw’s Law states the following:
For a positively sloped LM curve, which of the following statements is CORRECT?
The Compensating Wage Differential theory predicts that, ceteris paribus, jobs that are considered less desirable (e.g., higher risk or unpleasant condi...
Based on the sticky-price model, the short-run aggregate supply curve will be steeper, the greater the_____
Which of the following statements about the expansion path is true?
The substitution effect for a commodity is
For the given data, n=10, XÌ… = 20, YÌ… = 40, ∑(X-5)^2 = 100, ∑(Y-20)^2 =160 and ∑(X-5)*(Y-20) = 80. Calculate the correlation coefficient ...
Which of the following is correct?
Within the AD-AS model, a phenomenon known as stagflation is best represented by a shift in which curve, and with what consequence for the short-run equ...
Longevity is proxy for ---- in the Human Development Index?
Relevant for Exams:
