In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. Are not your father (1)/ and your elder brother (2)/ out of town? (3)/ No Error (4)
The collection of all possible combinations of the goods and services that can be produced from a given amount of resources and a given stock of technological knowledge is called the ____________ of the economy.
If a person's income increases from Rs. 10 lakhs per year to Rs. 11 lakhs per year and tax increases from Rs. 80,000 to Rs. 92,500 the marginal tax rate is