Inequalities Questions for CAT

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161 easy253 medium118 hard

Inequalities are deceptively mechanical in CAT: the algebra is usually simple, and the marks are lost on sign handling, multiplying by a negative, squaring both sides, or dividing by a variable that could be zero. Modulus questions compound all three. Working through a large number of these builds the reflex of checking the sign of what you are multiplying by, which is what the topic actually tests.

20 free Inequalities questions

1EasyMCQ

Find solution set of x52|x-5| ≤ 2.

  1. A

    [3,7][3,7]

  2. B

    (3,7)(3,7)

  3. C

    (,7](-∞,7]

  4. D

    None of these

2EasyMCQ

Solve the following inequality: 7x58x+3>4\frac{7 x-5}{8 x+3}>4

  1. A

    17/25<x<3/8-17 / 25<x<-3 / 8

  2. B

    x>17/25x>-17 / 25

  3. C

    0<x<3/80<x<3 / 8

  4. D

    17/25<x<0-17 / 25<x<0

3EasyMCQ

Solve the following inequality: x+3<x+33x+3<\sqrt{x+33}

  1. A

    x>3x>3

  2. B

    x<3x<3

  3. C

    3<x<3-3<x<3

  4. D

    33<x<3-33<x<3

4EasyMCQ

What values of yy make the inequality y35y2+8y4>0y^3 - 5y^2 + 8y - 4 > 0 true?

  1. A

    y<1y < 1

  2. B

    y>1,y2y > 1, y \neq 2

  3. C

    y>1y > 1

  4. D

    y>2y > 2

5EasyMCQ

What values of ‘x’ satisfy the inequality: (x2)(x2)(x+5)>0(|x| - 2)(|x - 2|)(x + 5) > 0?

  1. A

    x(,2)x \in (-\infty, 2)

  2. B

    x(2,)x \in (-2, \infty)

  3. C

    x(5,2)(2,)x \in (-5, -2) \cup (2, \infty)

  4. D

    None of the above

6EasyMCQ

A number zz lies between 0 and 1. Which of the following is true?

  1. A

    z>zz>\sqrt{z}

  2. B

    z>1/zz>1 / z

  3. C

    z3>z2z^{3}>z^{2}

  4. D

    1/z>z1 / z>\sqrt{z}

7MediumTITA

The inequality (n – 4)(n – 16) – 2(n – 5) ≤ 0 is satisfied for how many integers n?

8MediumMCQ

x3x2>0\frac{\sqrt{x-3}}{x-2}>0

  1. A

    0x<20 \leq x<2

  2. B

    x>3x>3

  3. C

    0<x<10<x<1

  4. D

    Both (b) and (c)

9MediumTITA

For all possible integers nn satisfying 0.06254+4n10280.0625 \le 4 + 4^{n} \le 1028, the number of integer values of 2+2n+22 + 2^{n+2} is

10MediumMCQ

If aa is a positive number that is less than or equal to 5, what is the maximum value of the expression (5a)4(a+5)5(5 - a)^4 (a + 5)^5?

  1. A

    10510^5

  2. B

    595^9

  3. C

    45cdot54cdot(frac109)94^5 \\cdot 5^4 \\cdot (\\frac{10}{9})^9

  4. D

    44cdot55cdot(frac910)94^4 \\cdot 5^5 \\cdot (\\frac{9}{10})^9

11MediumMCQ

Determine the range of xx that satisfies: (x2+x6x+5>0)( \frac{|x|^2 + |x| - 6}{|x| + 5} > 0 )

  1. A

    x(2,2)x \in (-2, 2)

  2. B

    xR(2,2)x \in \mathbb{R} - (-2, 2)

  3. C

    xR[2,2]x \in \mathbb{R} - [-2, 2]

  4. D

    x(3,2][2,)x \in (-3, 2] \cup [2, \infty)

12MediumMCQ

Solve: x4+x2+1x24x5>0\frac{x^{4}+x^{2}+1}{x^{2}-4 x-5}>0

  1. A

    1<x<5-1<x<5

  2. B

    x<1x<-1 or x>5x>5

  3. C

    x1x \leq-1 or x>5x>5

  4. D

    1<x<1-1<x<1

13MediumMCQ

Which of the following statements is incorrect?

  1. A

    (23!)2>2323(23!)² > {23^{23}}

  2. B

    (20!19!18!)<57!(20!·19!·18!) < 57!

  3. C

    (33!)4<3360(33!)⁴ < {33^{60}}

  4. D

    None of these

14MediumMCQ

How many integer values of yy satisfy the inequality 4y7y7+2>27\left| \frac{4 - \left| \frac{y}{7} \right|}{\left| \frac{y}{7} \right| + 2} \right| > \frac{2}{7}?

  1. A

    25

  2. B

    27

  3. C

    13

  4. D

    12

15HardMCQ

If a,b>0a, b > 0 and ab=1ab=1, then the minimum value of a+ba+b is

  1. A

    1

  2. B

    2

  3. C

    3

  4. D

    4

16HardMCQ

If x>0x>0, then the minimum value of x2+1x2x^2+\dfrac{1}{x^2} is

  1. A

    0

  2. B

    1

  3. C

    2

  4. D

    4

17HardTITA

What is the product of all integer values of xx that satisfy the inequality x319x+300|x|^3 - 19|x| + 30 \leq 0?

18HardMCQ

What is the number of integral values of xx that satisfy: ((x2)(x4)2(x20)10(x+2)(x+4)2(x+20)10<0)( \frac{(x - 2)(x - 4)^2 \cdots (x - 20)^{10}}{(x + 2)(x + 4)^2 \cdots (x + 20)^{10}} < 0 )?

  1. A

    1010

  2. B

    1111

  3. C

    1212

  4. D

    1313

19HardTITA

If nn is a natural number satisfying 6n1<5n+26^{n-1} < 5^{n+2}, then find the least integer mm such that 5n+2<3n+m5^{n+2} < 3^{n+m} for each such nn.

20HardMCQ

If x+y=6x+y=6 and x,y>0x, y > 0, then the maximum value of x3yx^3y is

  1. A

    24

  2. B

    27

  3. C

    32

  4. D

    36

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See the 28 CAT PYQs on InequalitiesActual papers, 2017–2025, organised by year and slot

More Quant practice

Inequalities for CAT, answered

What CAT asks in Inequalities, the mistakes that cost the most marks, and how to practise it.

Linear and quadratic inequalities, inequalities involving modulus, rational inequalities where the denominator can change sign, and questions asking for the range of values a variable or expression can take. Maxima and minima questions frequently reduce to an inequality argument.

Multiplying or dividing both sides by an expression whose sign is unknown, which silently flips the inequality for some values. When the multiplier contains a variable, split into cases rather than assuming it is positive.

Split at the points where each modulus changes sign and solve each interval separately, then combine. The graphical reading, distance on a number line, is faster once you are fluent, but the case split is the version that never fails.

Every question here has been checked against a worked solution before being published, and anything without a complete solution is not shown at all. The bank mixes questions written for CAT-level practice with questions from actual CAT papers; the previous-year questions are collected separately under CAT PYQs. The solutions themselves open in practice mode once you sign up, which is free.