CAT MCQs on Square and Square Roots: CAT Questions for Practice with Solutions

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Chanpreet Kaur

Content Writer | MBA Professional | Updated on - Nov 26, 2025

The CAT QA section requires speed and accuracy, along with a thorough understanding of the Square and Square Roots. This article provides a set of MCQs on Square and Square Roots to help you understand the topic and improve your problem-solving skills with the help of detailed solutions by ensuring conceptual clarity, which will help you in the CAT 2025 exam preparation

Whether you're revising the basics or testing your knowledge, these MCQs will serve as a valuable practice resource.

The CAT 2025 exam is expected to follow a similar trend to the CAT 2024, with 22 questions from the QA section out of a total of 68 questions.

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CAT MCQs on Square and Square Roots

1. If \(x = (4096)^{7+4√3}\), then which of the following equals \(64\) ?
A
\(\frac{x^7}{x^{2\sqrt3}}\)
B
\(\frac{x^7}{x^{4\sqrt3}}\)
C
\(\frac{x\frac{7}{2}}{x^{\frac{4}{\sqrt3}}}\)
D
\(\frac{x\frac{7}{2}}{x^{2\sqrt3}}\)

View Solution


2. If f \((5+x) = f (5-x)\) for every real x, and \(f(x)=0\) has four distinct real roots, then the sum of these roots is
A
0
B
40
C
10
D
20

View Solution


3. The number of distinct real roots of the equation \(\bigg(\frac{x+1}{x}\bigg)^2-3\bigg(\frac{x+1}{x}\bigg)+2=0\) equals
[This Question was asked as TITA]
A
2
B
3
C
4
D
1

View Solution


4. If \(\sqrt{5x+9}\)+\(\sqrt{5x-9}\)=\(3(2-\sqrt2)\) then \(\sqrt{10x+9}\) is equal to
A
\(3\sqrt7\)
B
\(4\sqrt5\)
C
\(3\sqrt31\)
D
\(2\sqrt7\)

View Solution


5. The number of the real roots of the equation 2cos(x(x+1)) = 2x + 2-x is 
A
2
B
1
C
infinite
D
0

View Solution


6. The product of the distinct roots of |x² - x - 6 | = x + 2 is
A
-8
B
-24
C
-4
D
-16

View Solution


7. The real root of the equation \(2^{6x}+2^{3x+2}-21=0\) is
A
\(\frac{log_27}{3}\)
B
\(log_2\ 9\)
C
\(\frac{log_2\ 3}{3}\)
D
\(log_2\ 27\)

View Solution


8. Let \(a_1,a_2,….\) be integers such that \(a_1-a_2+a_3-a_4+…..+(-1)^{n-1}a_n=n\), for all \(n≥1\),then \(a_{51}+a_{52}+….+a_{1023} \) equals
A
-1
B
10
C
0
D
1

View Solution


9. How many factors of \(2^4\times3^5\times10^4\) are perfect squares which are greater than 1 ?
A
44
B
38
C
45
D
22

View Solution


10. Let A be a real number. Then the roots of the equation \(x^2-4x-log_{2}A=0 \) are real and distinct if and only if
A
\(A>\frac{1}{16}\)
B
\(A>\frac{1}{8}\)
C
\(A<\frac{1}{16}\)
D
\(A<\frac{1}{8}\)

View Solution


CAT Questions

  • 1.
    The number of distinct real roots of the equation \(\bigg(\frac{x+1}{x}\bigg)^2-3\bigg(\frac{x+1}{x}\bigg)+2=0\) equals
    [This Question was asked as TITA]

      • 2
      • 3
      • 4
      • 1

    • 2.
      Let A be a real number. Then the roots of the equation \(x^2-4x-log_{2}A=0 \) are real and distinct if and only if

        • \(A>\frac{1}{16}\)
        • \(A>\frac{1}{8}\)
        • \(A<\frac{1}{16}\)
        • \(A<\frac{1}{8}\)

      • 3.
        Let \(a_1,a_2,….\) be integers such that \(a_1-a_2+a_3-a_4+…..+(-1)^{n-1}a_n=n\), for all \(n≥1\),then \(a_{51}+a_{52}+….+a_{1023} \) equals

          • -1
          • 10
          • 0
          • 1

        • 4.
          What is the value of √169?

            • 11
            • 12
            • 13
            • 14

          • 5.
            If \(\sqrt{5x+9}\)+\(\sqrt{5x-9}\)=\(3(2-\sqrt2)\) then \(\sqrt{10x+9}\) is equal to

              • \(3\sqrt7\)
              • \(4\sqrt5\)
              • \(3\sqrt31\)
              • \(2\sqrt7\)

            • 6.
              If \(x = (4096)^{7+4√3}\), then which of the following equals \(64\) ?

                • \(\frac{x^7}{x^{2\sqrt3}}\)
                • \(\frac{x^7}{x^{4\sqrt3}}\)
                • \(\frac{x\frac{7}{2}}{x^{\frac{4}{\sqrt3}}}\)
                • \(\frac{x\frac{7}{2}}{x^{2\sqrt3}}\)

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