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. The company sells 3,000 bags of white cement and 5,000 bags of grey cement in a month. What is its profit or loss?

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.

A manufacturing company makes two modeis A and B of a product. Each piece of model A requires 9 labour hours for fabricating and 1 labour hour for finishing. Fach piece of model B requires 12 labour hours for fabricating and 3 labour hours for finishing. For fabricating and finishing, the maximum labour hours available are 180 and 30 respectively. The company makes a profit of Rs. 8,000 on each piece of modal A and Rs. 12,000 on week maximum profit ? What is the maximum profit per week ?

A bag contains 6 red balls, 8 white balls, 5 green balls and 3 black balls. One ball is drawn at random from the bag. Find the probability that the drawn ball is i] not green ii] neither white or black.

The triangular side walls of a flyover have been used for advertisements. The sides of the walls are 122 m, 22 m and 120 m. The advertisements yield an earning of Rs 5000 per m^2 per year . A company hired one of its walls for 3 months. How much rent did it pay ?

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.

A verandah of width 2.25m is constructed all along outside a room which is 5.5m long and 4m wide. Find: the cost of cementing the floor of the verandah at the rate of Rs. 200 per m^2 .

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.

A Company manufactures two types of novelty sovenirs made of plywood . Souvenirs of type A require 5 min each for cutting and 10 min each for assembling . Souvenirs of type B require 8 min each for cutting and 8 min each for assembling . There are 3 h 20 min available for cutting and 4 h for assembling . The profit is Rs 5 each for type A and Rs 6 each for type B souvenirs . How many souvenir of each type should the company manufacture in order to maximise the profit ?

A bag contains 3 red balls, 5 white balls and 8 blue balls. One ball is taken out of the baf at random. fine the probability that the ball taken out is (a) a red ball, (b) not a white ball.