DocMCQs Educational Banner

Mathematics Mcqs

Mathematics MCQs include a wide range of solved multiple-choice questions from basic arithmetic to advanced mathematics. These questions cover topics such as Algebra, Geometry, Trigonometry, Calculus, Probability, Statistics, and Arithmetic. They are especially designed for students and candidates preparing for PPSC, FPSC, CSS, PMS, NTS, KPPSC, SPSC, and other competitive exams. Practicing these MCQs helps improve problem-solving skills, numerical ability, and analytical reasoning, making them ideal for both academic learning and job test preparation.

Expand 4ab.

  • a² + b²
  • a² – b²
  • (a + b)² – (a – b)²
  • (a + b)² + (a – b)²

3.14 X 106 is equal to:

A. A. 314
B. B. 3140
C. C. 314000
D. D. None of these (3140000)
Correct answer is: D. D. None of these (3140000)

Sum of 4 A.M between 18 and 3 is:

A. A. 15
B. B. 12
C. C. 42
D. D. None of these
Correct answer is: C. C. 42
<!-- /wp:more -->

<!-- wp:heading {"level":3} -->
<h3 class="wp-block-heading"><a href="https://mcqsplanet.com/2023/03/21/sum-of-4-a-m-between-18-and-3-is/#panel-1"><br>+</a></h3>
<!-- /wp:heading -->

<!-- wp:paragraph -->
<p>The arithmetic mean (A.M) between any two numbers a and b is (a+b)/2.</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>So, the arithmetic mean between 18 and 3 is:</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>(18 + 3)/2 = 21/2 = 10.5</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>To find the sum of 4 arithmetic means between 18 and 3, we can use the formula:</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>Sum of n A.M = n x A.M</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>Substituting the values, we get:</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>Sum of 4 A.M = 4 x 10.5 = 42</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>Therefore, the sum of 4 arithmetic means between 18 and 3 is 42.</p>
<!-- /wp:paragraph -->

If a > b and b > a then?

A. A. a=b
B. B. A not equal to b
C. C. Cannot be evaluated
D. D. None of these
Correct answer is: C. C. Cannot be evaluated

A sequence is called Arithmetic if it has:

A. A. Addition
B. B. Common difference
C. C. Common ratio
D. D. None of these
Correct answer is: B. B. Common difference
<!-- /wp:more -->

<!-- wp:paragraph -->
<p><strong>A sequence is arithmetic if the </strong><strong>common difference</strong><strong> of all terms of a sequence is the same.</strong></p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p><strong>A sequence is </strong><strong>geometric</strong><strong> if the common ratio of all terms of sequence is the same.</strong></p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p><strong>A common difference is the difference between consecutive numbers in an arithmetic sequence</strong></p>
<!-- /wp:paragraph -->

Arithmetic mean between x -3 and x + 3 is:

A. A. -6
B. B. 6
C. C. x
D. D. None of these
Correct answer is: C. C. x
<!-- /wp:more -->

<!-- wp:paragraph -->
<p>The arithmetic mean between any two numbers is simply the average of those two numbers.</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>In this case, the two numbers are x - 3 and x + 3.</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>Therefore, the arithmetic mean between x - 3 and x + 3 is:</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>(x - 3 + x + 3) / 2</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>Simplifying the equation:</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>2x / 2</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>This cancels out the 2s, leaving us with:</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>x</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>So, the arithmetic mean between x - 3 and x + 3 is simply <strong>x</strong>.</p>
<!-- /wp:paragraph -->

Join Our WhatsApp Channel ×
Scroll to Top