Question:- Two group are competing for the position on the Board of Directors of a corporation. The probabilities that the first and second group will win are 0.6 and 0.4 respectively. Further, if the first group wins, the probabilities of introducing a new product is 0.7 and the corresponding probability is 0.3, if the second … Read more
Question: 1 An urn contains 5 red and 2 black balls. Two balls are randomly drawn, without replacement. Let X represent the number of black balls drawn. What are the possible values of X ? Is X is random variable ? If yes, find the mean of X. Solution: … Read more
Question: In a certain collage, 4% of boys and 1% of girls are taller than 1.75 metres, Furthermore, 60% of the students in the college are girls. A student is selected at random from the college and is found to be taller than 1.75 metres. Find the probability that the … Read more
Chapter 6 : Triangles Class 10 Case based problem of Chapter 6 Triangles 1 Case Stuydy :1 Peter, who is 1.6 m tall, is standing near a lamp post one day. He observes his shadow and also the shadow of the lamp post on the ground. He wanted to compare the length of his shadow … Read more
Question: Find the value of k for which the pair of equations kx + 2y = 3 and 3x + 6y = 10 has a unique solution. Solution: Given pair of linear equations is kx + 2y = 3 …….(i) 3x + 6y = 10 …….(ii) For unique solution, Hence, the pair of equations … Read more
Chapter 5:Arithmetic Progressions Class 10 Case based problem of Chapter 5 A.P. 1 Class 10 Case based problem of Chapter 5 A.P. 2 Case Based :4 Sumit’s father had to undergo knee surgery as he was suffering from lot of pain and unable to walk properly. The physiotheropist asked him … Read more
Chapter 5:Arithmetic Progressions Class 10 Case based problem of Chapter 5 A.P. 1 Case Based :1 The students of a school decided to beautify the school on an Annual day by fixing colourful flags on the straight passage of the school. A total of 27 flags have to be fixed … Read more
Chapter 4:Quadratic Equation Class 10 Case based problem of Chapter 4 quadratic eq 1 Class 10 Case based problem of Chapter 4 Quadratic eq 2 Case Based: 4 The two gears shown in the figure resemble two circle which touch each other externally. The sum of their areas is 130π sq. cm … Read more
Chapter 4:Quadratic Equation Class 10 Case based problem of Chapter 4 quadratic eq 1 Class 10 Case based problem of Chapter 4 Quadratic eq 2 Case Based: 1 A ship is sailing very close to a light house and a right angle triangle is formed by the light house, line joining the ship to … Read more
Chapter 3:Pair of Linear equation in two variables Class 10 Case based problem of Chapter 3 Pair of Linear eq 1 Class 10 Case based problem of Chapter 3 Pair of Linear eq 2 Case Based :3 Mr. Jose decided to go to an amusement park along with his family. The cost of a … Read more