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Tag Archives: NCERT Solutions Class-11

Question 1. From the data given below state which group is more variable, A or B? Marks 10 – 20 20 – 30 30 –… Read More
Question 11. A line perpendicular to the line segment joining the points (1, 0) and (2, 3) divides it in the ratio 1: n. Find… Read More
Question 1. Draw a quadrilateral in the Cartesian plane, whose vertices are (– 4, 5), (0, 7), (5, – 5), and (– 4, –2). Also,… Read More
Find the sum to n terms of each of the series in Exercises 1 to 7. Question 1. 1 × 2 + 2 × 3… Read More
In Exercises 1 to 8, find the equation of the line which satisfy the given conditions: Question 1. Write the equations for the x-and y-axes.… Read More
Find the mean and variance for each of the data in Exercise 1 to 5. Question 1. 6, 7, 10, 12, 13, 4, 8, 12… Read More
In each of the Exercises 1 to 6, find the coordinates of the foci and the vertices, the eccentricity and the length of the latus… Read More
Solve the following system of inequalities graphically: Question 1: x ≥ 3, y ≥ 2  Solution: For equation 1: Now draw a solid line x… Read More
In each of the Exercises 1 to 9, find the coordinates of the foci, the vertices, the length of the major axis, the minor axis,… Read More
Find the mean deviation about the mean for the data in questions 1 and 2.  Question 1.  4, 7, 8, 9, 10, 12, 13, 17… Read More
Find the principal and general solutions of the following equations: Question 1. tan x = √3 Solution: Given: tan x = √3 Here, x lies… Read More
Question 1. Which of the following cannot be a valid assignment of probabilities for outcomes of sample Space S = {ω1, ω2, ω3, ω4, ω5, ω6,… Read More
Question 1. A die is rolled. Let E be the event “die shows 4” and F be the event “die shows even number”. Are E… Read More