If a farmer sells wheat to miller for Rs. 500 and miller sells flour to baker for Rs. 700 and baker sells bread to consumers for Rs. 1000, then total value added by miller and baker is :

By selling a cow for Rs. 14250, a farmer suffers a loss of Rs. 750. Find his loss per cent.

A person buys a watch for Rs 500 and sells it for Rs 300. Find his loss per cent.

Rahul purchases a chair for Rs 600 and uses Rs 200 for repairs. It he sells it for 1000 then he has:

By selling an article for Rs.979, a shopkeeper bears a loss of 11%. If shopkeeper sells that article for Rs.1232, then the profit % is :

Loss incurred by selling an article for Rs 600 is equal to profit gained by selling same article for Rs 1000 Find the cost price of this article?

Suppose firm A sold timber produced in its forest to firm B for Rs. 1000 and firewood to consumers for fuel for Rs. 500. Firm B converted logs into slippers and partly sold to furniture making firm C for Rs. 800 and the remaining to private consumers for Rs. 700. Firm C sold furniture worth Rs. 1000 to private consumers and the remaining to a government office for Rs. 500. Calculate : (i) Values added by firm A, firm B and firm C. (ii) Total value of output.