Question: Recent studies suggest that roughly 12 % of the world population is left handed. Depending upon the parents, the chances of having a left handed child are as follows : A : When both father and mother are left handed : Chances of left handed child is 24 % … Read more
Question: Engine displacement is the measure of the cylinder volume swept by all the pistons of a piston engine. The piston moves inside the cylinder bore. The cylinder bore in the form circular cylinder open at the top is to be made from a metal sheet of area 75 π cm². Based … Read more
Question: The use of electric vehicle will curb air pollution in the long run. The use of electric vehicles is increasing every year and estimated electric vehicles in use at any time t is given by the function V: Where t represents the time and t = 1, 2, 3 . . . corresponds to … Read more
Case study Chapter 1 (Relation and Function) Case study 4:- Read the following answer the question(Case study relation and function 4) Student of gade 9,planned to plant saplings along straight lines, parallel to each other to one side of the play ground ensuring that they had enough play area. Let us assume that they … Read more
Case study Chapter 1 (Relation and Function) Case Study 3:- Read the following and answer the question:(Case study relation and function 3) An organization conducted bike race under 2 different categories- boys and girls. In all, there were 250 participants. Among all of them finally three from category 1 and two from category 2 were … Read more
Case study Chapter 1 (Relation and Function) Case study 2:- Sherlin and Danju are playing Ludo at home during COVID- 19. While rolling the dice, Sherlin’s sister Raji cbserved and noted the possible outcomes of the throw every time belongs to set {1, 2, 3, 4, 5, 6}. Let A be the set of players … Read more
Case study Chapter 1(Relation and Function) Case study 1:- Read the following and answer the question:(Case study relation and function 1) A general election of Lock sabha is a gigantic exercise. About 311 million people were eligible to vote and voter turnout was about 67%, the highest ever Let I be the set of all … Read more
Case study Chapter 2 (Inverse Trigonometry) Case study 2:- Read the following and answer the question.(Case study inverse trigonometry 1) Two men on either side of a temple 30 metres high observes its top at the angles of elevation α and β respectively. (as shown in the figure above). the distance between the two … Read more
Csae study Chapter 2 (Inverse Trigonometric functio) Case study 1:- The government of India is planning to fix a hoarding board at the face of a building on yhe road of bisy market for awaeeness on COVID-19 protocol. Ram , Robert and Rahim are the three engineers who are working on this project. “A” is … Read more
Case study Chapter 3 (Matrix ) Case study 3:- Read the following and answer the question:(Case study problem matrix 3) Three schools DPS, CVC and KVS decided to organize a fair for collecting money for helping the flood victims. They sold Handmade fans, Mats and plates from recycled material at a … Read more