Kristin received a C.D.Player for her birthday.She bought 3 CDs and received 5 others as gifts.What fraction of her total CDs did she buy and what fraction did she receive as gifts?

Vidya and Pratap went for a picnic. Their mother gave them a water bottle that contained 5 litres of water. Vidya consumed 2/5 of the water. Pratap consumed the remaining water. What fraction of the total quantity of water did Pratap drink?

Neelam is taking up subjects - Mathematics, Physics and Chemistry. She estimates that her probabilities of receiving a grade A in these courses. are 0.2, 0.3 and 0.9 respectively. If the grades can be regarded as independent events, find the probabilities that Neelam receives : All A’s .

Neelam is taking up subjects - Mathematics, Physics and Chemistry. She estimates that her probabilities of receiving a grade A in these courses. are 0.2, 0.3 and 0.9 respectively. If the grades can be regarded as independent events, find the probabilities that Neelam receives : Exactly two A’s .

Mother asked Neelu and her brother to pick stones from the wheat.Neelu picked 1/4th of the total stones in it and her brother also picked up 1/4th of the stones.What fraction of the stones did both pick up together ?

Sameera wants to celebrate the fifth birthday of her daughter with a party. She bought thick paper to make the conical party caps. Each cap is to have a base diameter of 10 cm and height 12 cm. A sheet of the paper is 25 cm by 40 cm, and approximately 82% of the sheet can be effectively used for making the caps after cutting. What is the minimum number of sheets of paper that Sameera would need to buy, if there are to be 15 children at the party ?

Nazima is fly fishing in a stream. The tip of her fishing rod is 1.8 m above the surface of the water and the fly at the end of the string rests on the water 3.6 m away and 2.4 m from a point directly under the tip of the rod. Assuming that her string (from the tip of her rod to the fly) is taut, how much string does she have out ? If she pulls in the string at the rate of 5 cm per second, what will the horizontal distance of the fly from her after 12 seconds ? .

Savitri had to make a model of a cylindrical kaleidoscope for her science project. She wanted to use chart paper to make the curved surface of the kaleidoscope. What would be the area of chart paper required by her, if she wanted to make a kaleidoscope of length 25 cm with a 3.5 cm radius? You may take pi=22/7 .

In a potato race, a bucket is placed at the starting point, which is 5 m from the first potato, and the other potatoes are placed 3 m apart I a straight line. There are ten potatoes in the line (see Fig 5.6). A competitorstarts from the bucket, picks up the nearest potato, runs hack with it. drops it in the bucket runs back to pick up the next potato, runs in the bucket to drop it in, and she continues in the same way until all the potatoes are in the bucket. What is the total distance the competitor has to run?

In a potato race, a bucket is placed at the starting point, which is 5m from the first potato and the other potatoes are placed 3m apart in a straight line. These are ten potatoes in the line. (see fig) Each competitor starts from the bucket, picks up the nearest potato, runs back with it, dorps it in the bucket, runs back to pick up the next potato, runs to the bucket to drop it in and she continues in the same way until all the potatoes are in the bucket. What is the total distance the competitor has to run?