# Category: Class 11 Math

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### NCERT Exemplar Problems Class 11 Mathematics

NCERT Exemplar Problems Class 11 Mathematics Chapter 1: Sets Chapter 2: Relations and Functions Chapter 3: Trigonometric Functions Chapter 4: Principle of Mathematical Induction Chapter 5: Complex Numbers and Quadratic Equations Chapter 6: Linear Inequalities Chapter 7: Permutations and Combinations Chapter 8: Binomial Theorem Chapter 9: Sequence and Series Chapter 10: Straight Lines Chapter 11:…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 16 Probability

NCERT Exemplar Problems Class 11 Mathematics Chapter 16 Probability Short Answer Type Questions Q1. If the letters of the word ALGORITHM are arranged at random in a row what is the probability the letters GOR must remain together as a unit? Sol: We have word ALGORITHM Number of letters = 9 Q2. Six new employees,…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 15 Statistics

NCERT Exemplar Problems Class 11 Mathematics Chapter 15 Statistics   Short Answer Type Questions Q1. Find the mean deviation about the mean of the distribution: Size 20 21 22 23 24 Frequency 6 4 5 1 4 Q2. Find the mean deviation about the median of the following distribution: Marks obtained 10 11 12 14…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 14 Mathematical Reasoning

NCERT Exemplar Problems Class 11 Mathematics Chapter 14 Mathematical Reasoning   Q1. Which of the following sentences are statements? Justify. (i) A triangle has three sides. (ii) O is a complex number. (iii) Sky is red, (iv) Every set is an infinite set. (V) 15 +8>23 (vi) y+9=7 (vii) Where is your bag? (viii) EVery…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 12 Introduction to Three Dimensional Geometry

NCERT Exemplar Problems Class 11 Mathematics Chapter 12 Introduction to Three Dimensional Geometry   Short Answer Type Questions Q1. Locate the following points: (i) (1,-1, 3), (ii) (-1,2,4) (iii) (-2, -4, -7) (iv) (-4,2, -5) Sol: Given, coordinates (i) (1,-1, 3), (ii) (-1,2,4) (iii) (-2, -4, -7) (iv) (-4,2, -5) Q2. Name the octant in…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 11 Conic Sections

NCERT Exemplar Problems Class 11 Mathematics Chapter 11 Conic Sections   Short Answer Type Questions Q1. Find the equation of the circle which touches the both axes in first quadrant and whose radius is a. Sol: Given that the circle of radius ‘a’ touches both axis. So, its centre is (a, a). Q2. Show that…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 10 Straight Lines

NCERT Exemplar Problems Class 11 Mathematics Chapter 10 Straight Lines   Short Answer Type Questions Q1. Find the equation of the straight line which passes through the point (1, -2) Q2. Find the equation of the line passing through the point (5,2) and perpendicular to the line joining the points (2, 3) and (3, -1)…

### NCERT Exemplar Problems Class 11 Mathematics Chapter 9 Sequence and Series

NCERT Exemplar Problems Class 11 Mathematics Chapter 9 Sequence and Series   Short Answer Type Questions: Q1. The first term of an A.P. is a and the sum of the first p terms is zero, show that the sum of its next q terms Sol: Let the common differeence of the given A.P be d…