# Category Archives: Class 11

Question 1. Find the equation of the line parallel to the x-axis and passing through (3, -5). Solution:  Let the equation of line be:  y… Read More
Question 11. A man starts repaying a loan as first installment of Rs. 100. If he increases the installment by Rs. 5 every month, what… Read More
Question 1. A man saved Rs. 16500 in 10 years. In each year after the first he saved Rs. 100 more than he did in… Read More
Question 1: A coin is tossed. Find the total number of elementary events and also the total number of events associated with the random experiment.… Read More
General Formula Tn = a + (n – 1) * d where, Tn is the nth term a is the first term d = common… Read More
General Formula  Tn = a + (n – 1)*d where, Tn is the nth term a is the first term d = common difference Question… Read More
Represent to solution set of the following inequations graphically in two-dimensional plane: Question 1. x+2y-4 <=0 Solution: Step 1. Convert the given inequation into equation… Read More
Question 1. Solve the following Quadratic Equations: i) x2 + 10ix – 21 = 0 Solution: x2 + 10ix – 21 = 0    … Read More
Question 11. In a survey of 60 people, it was found that 25 people read newspaper H, 26 people read newspaper T, 26 read newspaper I,… Read More
Question 1. If A and B are two sets such that n (A ∪ B) = 50, n (A) = 28 and n (B) =… Read More
Question 11. A circle of radius 4 units touch the coordinate axis in the first quadrant. Find the equations of its images with respect to… Read More
Question 1. Which of the following relations are functions? Give reasons. If it is a function, determine its domain and range. (i) {(2, 1), (5,… Read More
Chapter 5 Complex Numbers And Quadratic Equations – Exercise 5.1 | Set 1 For Q.11 to Q.13 find the multiplicative inverse of the given number … Read More
For Q.1 to Q.10 express each complex number in form of a+ib Question 1. (5i) Solution: Let the given number be a, a= (5i)* a= … Read More
Question 1. Find the equation of the circle with: (i) Centre (-2, 3) and radius 4. (ii) Centre (a, b) and radius √(a2+b2). (iii) Centre… Read More