Question 1. From the data given below state which group is more variable, A or B? Marks 10 – 20 20 – 30 30 –… Read More

# Tag Archives: NCERT Solutions Class-11

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

Solve the inequalities in Exercises 1 to 6. Question 1. 2 ≤ 3x – 4 ≤ 5 Solution: In this case, we have two inequalities,… 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 box contains 10 red marbles, 20 blue marbles, and 30 green marbles. 5 marbles are drawn from the box, what is the… 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