MCQs Questions for Class 11 Maths Chapter 6 Linear Inequalities
In this 21st century, Multiple Choice Questions (MCQs) play a vital role to prepare for a competitive examination. CBSE board has also brought a major change in its board exam patterns. In most of the competitive examinations, only MCQ Questions are asked.
In future, if you want to prepare for competitive examination, then you should focus on the MCQs questions. Thus, let’s solve these MCQs questions to make our foundation strong.
In this post, you will find 15 MCQs questions for class 11 maths chapter 6 linear inequalities.
MCQs Questions for Class 11 Maths Chapter 6 Linear Inequalities
1. If x² = -9, then the value
of x is
(a) (-3, 3)
(b) (-3, ∞)
(c) (3, ∞)
(d) no solution
Answer: d
2. ax + b > 0 is
_____________
(a) double inequality
(b) quadratic inequality
(c) numerical inequality
(d) linear inequality
Answer: d
3. If (x + 3)/(x – 2) > ½, then x lies in the interval
(a) (-8, ∞)
(b) (8, ∞)
(c) (∞, -8)
(d) (∞, 8)
Answer: a
4. ax2 + bx + c > 0 is
_____________________
(a) double inequality
(b) quadratic inequality
(c) numerical inequality
(d) linear inequality
Answer: b
5. The region of the XOY-plane represented by the inequalities x
≥ 6, y ≥ 2, 2x + y ≤ 10 is
(a) unbounded
(b) a polygon
(c) none of these
(d) exterior of a triangle
Answer: c
6. If Priyanshu has x rupees and he pay 40 rupees to shopkeeper
then find range of x if amount of money left with Ram is at least 10 rupees is
given by inequation
(a) x ≥ 10
(b) x ≤ 10
(c) x ≤ 50
(d) x ≥ 50
Answer: d
7. The interval in which f(x) = (x – 1) × (x – 2) × (x – 3) is
negative is
(a) x > 2
(b) 2 < x and x < 1
(c) 2 < x < 1 and x < 3
(d) 2 < x < 3 and x < 1
Answer: d
8. If x > 7, then which one is impossible?
(a) x > 4
(b) x < 6
(c) x > 9
(d) x < 14
Answer: b
9. The solution of the inequality |x – 1| < 2 is
(a) (1, ∞)
(b) (-1, 3)
(c) (1, -3)
(d) (∞, 1)
Answer: b
10. If x is a positive integer and 20x < 100, then find
solution set of x.
(a) {0, 1, 2, 3, 4, 5}
(b) {1, 2, 3, 4, 5}
(c) {1, 2, 3, 4}
(d) {0, 1, 2, 3, 4}
Answer: c
11. The solution of the inequality |2/(x – 4)| > 1 where x ≠ 4
is
(a) (2, 6)
(b) (2, 4) ∪ (4, 6)
(c) (2, 4) ∪ (4, ∞)
(d) (-∞, 4) ∪ (4, 6)
Answer: b
12. If 2x + 1 > 5, then which one is true?
(a) x > 4
(b) x < 4
(c) x > 2
(d) x < 2
Answer: c
13. The graph of the inequalities x ≥ 0, y ≥ 0, 3x + 4y ≤ 12 is
(a) none of these
(b) interior of a triangle including the points
on the sides
(c) in the 2nd quadrant
(d) exterior of a triangle
Answer: b
14. Find all pairs of consecutive odd positive integers both of
which are smaller than 8 such that their sum is more than 10.
(a) (5, 7)
(b) (3, 5), (5, 7)
(c) (3, 5), (5, 7), (7, 9)
(d) (5, 7), (7, 9)
Answer: a
15. The solution of the inequality 15 < 3(x – 2)/5 < 0 is
(a) 27 < x < 2
(b) 27 < x < -2
(c) -27 < x < 2
(d) -27 < x < -2
Answer: a