A doctor has a private clinic in city X and his annual earnings are 15 lakh. If he works in a government hospital, his earnings are 10 lakh. What is the opportunity cost of having clinic in city X?

A doctor has a private clinic in New Delhi and his annual earnings are Rs. 10 lackh. If he works in a government hospital in New Delhi, his annual earning will be Rs. 8 lakh. What is the opportunity cost of having a clinic in New Delhi?

All the four children of Mr . Madan Mohan Lal are doctors . Shyam is a skin specialist . Krishna is a heart specialist , Radhika is a chil specialist and Gauri is a physician . Dr . Shyam joined a multispeciality private hospital . Dr Krishna established his own nursing home . Dr . Radhika works in a government hospital adn also treats the poor people free of cost in a charitable dispensary . Dr . Gauri opened a medical store wherein she sells genuine medicines , getting the minimum profit margin. (a) State , giving reasons , wherein they are engaged in economic or non - economic activities . (b) Also explain in which form of the economic activities and non - economic activities they have been engaged.

Santan sells a diamond at a loss of 10 % if he had sold at a profit of 5% he would have earned Rs 37.5 lakhs more. What is the cost price of the diamond/

There are various sources of income a teacher has, such as, (i) He can earn Rs. 40000 from teaching in school. (ii) He can earn Rs. 50000 by tuition/coaching (iii) He earns Rs. 60000 by writing the help book guides. What is the opportunity cost of his teaching in school? Why should he choose teaching profession?

A trader presently earns 17% profit by selling an article. If he increases the price of the article y Rs. 33.60, his gain percent increase to 29%. What is the cost price of article ?