Question
One alloy of steel contains 74% Iron and 26% carbon.
Another alloy contains 81% Iron and 12% carbon. Later, they are mixed, so that the mixture contains 20% of carbon. What percent of Iron will it contain?Solution
The alloy should be mix in the ratio of 4:3 Now,
Difference of 81-74 = 7 7 is divided in the ratio of 4:3 7 × `3/7` = 3% So required iron% = 74+3 = 77%
If a government defaults on the value of its debt by 3/4, this is the same as imposing a ____ tax on interest and repayment of the principal.
According to the Taylor principle, for inflation to be stable, the central bank must respond to an
increase in inflation with...
The utility function of X is such that X likes to consume 2 units of lemon with every 1 liter of water. The price of lemon is Rs.1.00 and that of 1 lite...
Match the following
...The 2nd phase (diminishing returns to a factor) is exhibited by the following total product sequence:
In a given year, the nominal GDP of a country was $2,500 billion and the real GDP was $2,000 billion. What is the GDP deflator for that year?
The McDougall Rule, in the context of public finance, primarily suggests that:
The histogram above represents the lifespan of a random sample of a particular type of insect.
Determine the relationship between the mean and me...
 Any straight-line supply curve that intersects the vertical axis above the origin has an elasticity of supply
A perfectly competitive firm was given, P = 60 and TC = Q2 + 8Q + 10. Now price decreases to 54, what is the change in profit?