Case study from CBSE sample paper 2024 – 2025 class 12 Case Study-1:- Ramesh the owner of a sweet selling shop purchased some rectangular card board sheets of dimension 25 cm by 40 cm to make container packets without top. Let x cm be the length of the side of the square to be cut out … Read more
Case study from CBSE sample paper 2024 – 2025 class 10 Case study 3:- Metallic silos are used by farmers for storing grains. Farmer Girdhar has decided to build a new metallic silos to dtore his harvested grains. It is in the shape of cylinder mounted by cone. Dimensions of the conical part of a … Read more
Case study from CBSE sample paper 2024 – 2025 Case study 2:- Triangle is a very popular shape used in interior designing. The picture given above shows a cabinet designed by a famous interior designer. Here the largest triangle is represented by ΔABC and smallest one with shelf is represented by ΔDEF. PQ is parallel … Read more
Case study from CBSE sample paper 2024 – 2025 Case study 1:- Ms. Sheela visited a store near her house and found that the jars are arranged one above the other in a specific pattern. On the top layer there are 3 jars. In the next layer there are 6 jars. In the 3rd layer … Read more
Explore essential trigonometry formulas, including sine, cosine, and tangent identities, along with angle sum and difference formulas. These key equations are crucial for solving trigonometric problems in mathematics, helping students and professionals simplify complex calculations and understand relationships between angles and sides in triangles. Trigonometry formula list You see these formulae in the given link … Read more
Explore essential trigonometry formulas, including sine, cosine, and tangent identities, along with angle sum and difference formulas. These key equations are crucial for solving trigonometric problems in mathematics, helping students and professionals simplify complex calculations and understand relationships between angles and sides in triangles. You see these formulae in the given link Trigonometric formulae … Read more
Question 3:- A line passing through the point A with position vector is parallel to the vector . Find the length of the perpendicular drawn on this line from a point P with position vector [CBSE Panchkula 2015] Solution:- The equation of the line passing … Read more
Question 2:- Find the vector and cartesian equations of the line passing through the point (2 , 1, 3) and perpendicular to the lines and . Solution:- Let the cartesian equation of the line passing through (2, 1, 3) be . . . (i) Since, line (i) iss perpendicular to given line … Read more
Question 1:- Find the eqaaution of the line which intersect the lines and passes through the point (1, 1, 1) Solution:- Let dr’s of the line (a, b, c) and Equation of line passes through the point P(1, 1, 1) . . . (i) Let line . . .(ii) and lline . . .(iii) Let … Read more
Question 12:- Jaspal Singh repays his total loan Rs 1,18,000 by paying every month starting with the Ist instalment of Rs 1000, If he increases the instalment by Rs 100 every month, what amount will be paid by him in the 30th instalment ? What amount of loan will he still have to pay after … Read more