Q 2:- A housing society wants to commission a swimming pool for its residents. For this, they have to purchase a square piece of land and dig this to such a depth that its capacity is 250 cubic metres. Cost of land is Rs 500 per square metre. The cost of digging increases with the … Read more
Q 1:- In a group activity class, there are 10 students whose ages are 16, 17, 15, 14, 19, 17, 16, 19, 16 and 15 years. One student is selected at random such that each has equal chance of being choosen and age of the student is recorded. … Read more
Q 1:- An instructor at the astronomical centre shows three among the brightest stars in a particular constellation. Assume that the telescope is located at O(0, 0, 0) and the three stars have their locations at the points D, A and V having position vectors and respectively. [CBSE 2024] Based … Read more
Q 3:- A store has been selling calculators at Rs 350 each. A market survey indicates that a reduction in price (p) of calculator increases the number of units (x) sold. The relation between the price and quantity sold is given by the demand function . … Read more
Q 2: Rohit Jaspreet and Alia appeared for an interview for three vacancies in the same post. The probability of Rohit’s selection is 1/5, Jaspreet’s selection is 1/3 and Alia’s selection is 1/4. The event of selection is independent of each other. [CBSE 2024] Based on the above … Read more
Case study 1: Read the following passage and answer the questionS given below: The relation between the height of the plant(‘y’ in cm) with respect to its exposure to the sunlight is governed by the following equation , where ‘x’ is the number of days exposed to the sunlight, for x ≤ 3. (i) Find … Read more
Class 10 Chapter 11(Area related to circle) Question:-The south central zone of Indian Railways has commissioned the longest electrified railway tunnel in the country. According to local media reports, the construction of the 6.6 km long tunnel took 43 months to complete. The electrified railway tunnel is situated between Chelopalli and Rapuru station as a … Read more
Chapter 11: Area Related to Circle Question:- We all love to eat pizzas, especially kids. And a variety of pizzas are available in India which have been modified according to Indian taste and menu. From the Greeks to the Egyptians, from the persians to the Indians, there have been incarnations of pizza served throughout history. … Read more
Class 10 Case study Chapter 8 introduction to Trigonometry Case Study 1: An electrician wanted to repair a street lamp at a height of 15 feet. He places his ladder such that its foot is 8 feet from the foot of the lamp post as shown in the figure below: (A) Find the value of … Read more
Class 10 Case study of Chapter 7 coordinate geometry Case study 1:- To conduct Annual day activities, in a rectangular shaped school ground PQRS, lines have been drawn with chalk powder at a distance of 1 m each. 10 banners have been placed at a distance of 10 m from each other along PS. The first … Read more