Question
Sum of three positive numbers is 154. If the ratio of
the first and second number is 6:5, respectively while difference between the first and third number is equal to the second number, then find the third number.Solution
Let the first number be '6x' So, second number = 6x × (5/6) = '5x' And, third number = 6x + 5x = '11x' ATQ: 6x + 5x + 11x = 154 Or, 22x = 154 So, x = 7 So, third number = 11 × 7 = 77
For the 2 variables x and y with the same mean, the regression equation are y = 5x+b and x=7y +c. Calculate b/c
A central bank decides to increase money supply. For a given price level, the LM curve is expected to
A bag contains 8 Black and 4 White balls. 10 balls were randomly selected from the Bag. What is the probability that out of the 10 balls selected at ran...
Among the following production functions which one is having increasing returns to scale
A rational decision maker does which of the following?
Consider an economy described by the following equations:
C = 100 + 0.6 ∗ (Y − T) (consumption function)
I = 200 − 10...
What is the effective tariff rate on the commodity, when no imported inputs are used?
Suppose the relationship between Y and two explanatory variables in true model is Yi = 5+2.4X1i-3.5X2i + ei . What is the value of beta(1) in the regres...
Find regression coefficient of y on x (byx) if correlation coefficient between x and y values is 0.75 and standard deviation of x and y are 5 and 6.4 re...
Relevant for Exams:
