Tell what is the profit or loss in the following transactions. Also find profit percent or loss precent in each case: A refrigerator bought for Rs12,000 and sold at Rs13,500.

Tell what is the profit or loss in the following transactions. Also find profit percent or loss precent in each case: A cupboard bought for Rs. 2,500 and sold at Rs3,000.

Tell what is the profit or loss in the following transactions. Also find profit percent or loss percent in each case: A skirt bought for Rs250 and sold at Rs150.

Find the amount to be paid at the end of 3 years in each case: Principal=rs7,500 at 5%p.a.

Find the amount to be paid at the end of 3 years in each case: Principal=Rs1,200 at 12%p.a.

A manufacturer produces nuts and bolts . It takes 1 hr of work on machine A and 3 hr on machine B to produce a package of nuts and bolts . He earns a profit of Rs 17.50 per package on nuts and Rs 7.00 per package on bolts . How many package of each should be produced each most 12 h a day to maximize the profit?

A cement company earns a profit of 8 rs per bag of white cement sold and a loss of rs. 5 per bag of gray cement sold. :- What is the number of white cement bags it must sell to have neither profit nor loss, if the number of grey bags sold is rs 6,400 bags.

Juhi sells a washing machine for rs 13,500. She loses 20% in the bargain. What was the price at which she bought it?

A furniture dealer deals in only two items - tables and chairs. He has Rs. 50,000 to invest and has storage pince of at most 60 pieces. A table costs Rs. 2500 and a chair Rs. 500. He estimates thnt from the sale of one table , he can make a profit of Rs. 250 and that from the sale of one chair a profit of Rs. 75. How many tables and chairs he should buy from the available money so as to maximise his total profit assuming that he can self all the items which he buys.

A factory makes tennis rackets and cricket bats . A tennis racket takes 1.5 h of machine time and 3 h of craftman's time in its making while a cricket bat takes 3 h of machine time and 1 h of craftman' time . In a day , the factory has the availability of not more than 42 h of machine time and 24 h of craftman's time (a) What number of rackets and bats must be made, if the factory is to work at full capacity? (b) If the profits on rackets and on bats is Rs 20 and Rs 10 respectively , find the maximum profit of the factory when it works at full capacity .