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Worksheet for Class 11 Mathematics Chapter 6 Linear Inequalities
Class 11 Mathematics students should refer to the following printable worksheet in Pdf for Chapter 6 Linear Inequalities in Class 11. This test paper with questions and answers for Class 11 will be very useful for exams and help you to score good marks
Class 11 Mathematics Worksheet for Chapter 6 Linear Inequalities
Q1. Solve 4x-7 ≥ 5x-2 when (i) x is a natural number (ii) x is an integer (iii) x is a real number.
Q2. Solve the following linear inequations, show the solution on number line:-
(i) 2x-3/4 + 9 ≥ 4x/3
(ii) 3(x-2)/5 ≥ 5(2 – x)/3
(iii) x + 3 ≤ 2 / x – 2
(iv) 5x – 2 / 3 - 7x – 3 / 5 ≥ x/4
(v) 3x + 17 ≤ 2(1 – x)
(vi) 2x+4 ≥ 5/x-1
Q3. Solve the system of inequalities and represent the solutions on the number line.
(i) 5x/4 + 3x/8 > 39/8, 2x–1/12 – x–1/3 ≤ 3x + 1/4
(ii) 2(2x + 3) – 10 ≤ 6 (x – 2), 2x – 3/4 + 6 ≥ 2 + 4x/3
(iii) x/2x+1 ≥ 1/4, 6x/4x-1 ≤ 1/2
Q4. Solve graphically: - (i) 3x + 4y ≥ 12, y ≥ 1, x ≥ 0 (ii) x – 2y ≥ 0, 2x – y ≤ -2, x ≥ 0, y ≥ 0
(iii) 2x+y ≤ 24, x + y ≤ 11, 2x + 5y ≤ 40, x ≥ 0, y ≥ 0
Q5. In first four papers each of 100 marks, Rohit got 72, 83, 73, 95 marks. If he wants an average of greater than or equal to 75 marks and less than 80 marks, find the range of marks he should score in the fifth paper.
Q6. The sum of two natural numbers is 121. If the sum of bigger number and four times the smaller is equal to or greater than 271, find all possible values of the smaller number.
Q7. Given P = {x : 5 ≤ 2x – 1 ≤ 11, x €R} and Q = { x : -1 ≤ 3 + 4x ≤ 23, x €E, x €I} Where R = real numbers and I = integers. Represent P and Q on two different number lines. Write down the elements of P &Q.
Q8. The cost and revenue functions of a product are given by C (x) = 2x + 400 and R(x) = 6x+20 respectively, where x is the number of items produced by the manufacturer. How many items must the manufacturer sell to realize some profit?
Q9. Solve :- - 4x ≥ 30 when (i) x €R (ii) x €Z (iii) x €N
Q10. Solve : 4x – 2 ≤ 8, when :- (i) x €R, (ii) x € Z (iii) x €N
Q11. How many litres of water will have to be added to 1250 litres of 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content?
Q.1 Solve the inequality and show the graph of the solution on number line: 3(1 – x) < 2 (x + 4).
Q.2 IQ of a person is given by the formula iQ = MA/CA x 100
Where MA is mental age and CA is chronological age. If 80 ≤ IQ ≤ 140 for a group of 12 years old children, find the range of their mental age.
Q.3 In a game, a person wins if he gets the sum greater than 20 in four throws of a die. In three throws he got numbers 6, 5, 4. What should be his forth throw, so that he wins the game.
Q.4 Solve the inequality - 3 ≤ 4 - 7x/2 ≤ 18
Q.5 A solution is to be kept between 68°F and 77°F. What is the range in temperature in degree Celsius (C) if the Celsius/Fahrenheit (F) conversion formula is given by f = 9/8 C + 32?
Q.6 Solve 7x + 9 30.
Q.7 Solve the inequality 7 ≤ (3x+11)/2 ≤ 11
Q.8 How many litres of water will have to be added to 1125 litres of the 45% solution of acid so that the resulting mixture will contain more than 25% but less than 30% acid content?
Q.9 Solve 4x + 3 < 6x + 7.
Q.10 Solve 7x + 3 < 5x + 9. Show the graph of the solutions on number line.
Q.11 Solve the system of inequalities : 3x - 7 < 5+x 11 - 5x ≤ 1 and represent the solution on the number line.
Q.12 Solve the following system of inequalities graphically: x + y ≥ 4, 2x – y > 0.
Q.13 Solve the following system of inequalities graphically: x + 2y ≤ 10, x + y ≥ 1, x – y ≤ 0, x ≥ 0, y ≥ 0.
Q.14 Solve the following system of inequalities graphically: 2x – y > 1, x – 2y < –1.
Q.15 To receive Grade ‘A’ in a course, one must obtain an average of 90 marks or more in five examinations (each of 100 marks). If Sunita’s marks in first four examinations are 87, 92, 94 and 95, find minimum marks that Sunita must obtain in fifth examination to get grade ‘A’ in the course.
Q.16 A shopkeeper sells a product at a price four times more than its actual price. Find the actual price such that the shopkeeper gets a benefit of at least Rs 40.
Q.17 The longest side of the rectangle is five times the shortest side. If the perimeter of the rectangle is atleast 120 cm. Find the minimum value of shortest side.
Q.18 A solution of 8% boric acid is to be diluted by adding a 2% boric acid solution to it. The resulting mixture is to be more than 4% but less than 6% boric acid. If we have 640 litres of the 8% solution, how many litres of the 2% solution will have to be added?
Q.19 Solve the following system of inequalities graphically: 4x + 3y ≤ 60, y ≥ 2x, x ≥ 3, x, y ≥ 0.
Q.20 Solve the inequalities and represent the solution graphically on number line: 5x + 1 > –24, 5x – 1 < 24.
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Worksheet for CBSE Mathematics Class 11 Chapter 6 Linear Inequalities
We hope students liked the above worksheet for Chapter 6 Linear Inequalities designed as per the latest syllabus for Class 11 Mathematics released by CBSE. Students of Class 11 should download in Pdf format and practice the questions and solutions given in the above worksheet for Class 11 Mathematics on a daily basis. All the latest worksheets with answers have been developed for Mathematics by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their class tests and examinations. Expert teachers of studiestoday have referred to the NCERT book for Class 11 Mathematics to develop the Mathematics Class 11 worksheet. After solving the questions given in the worksheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 11 Mathematics designed by our teachers. We have also provided a lot of MCQ questions for Class 11 Mathematics in the worksheet so that you can solve questions relating to all topics given in each chapter.
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