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 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 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.

There are 6 red and 8 green balls in a bag. 5 balls are drawn at random and placed in a red box. The remaining balls are placed in a green box. What is the probability that the number of red balls in the green box plus the number of green balls in the red box is not a prime number?

A bag contains 5 red, 8 green, and 7 white balls. One ball is drawn at random from the bag, find the probability of getting: (a) not a white ball, (b) neither a green nor a red ball.

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.

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 bag contains 5 red balls, 6 white balls, 7 green balls, 8 black balls. One ball is drawn at random from the bag. Find the probability that the ball drawn is i] white ii] black or red iii] not white iv] neither white nor black.

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 trader bought articles for Rs. 900. Five articles were found to be damaged. He sold each of the remaining articles at rupees two more than what he had paid for it. He got a profit of Rs. 80 on the whole transaction. Find the number of articles he bought.