Number Theory MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Number Theory, a fundamental topic in the field of Aptitude. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Number Theory MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Number Theory mcq questions that explore various aspects of Number Theory problems. Each MCQ is crafted to challenge your understanding of Number Theory principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Aptitude tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Number Theory MCQs are your pathway to success in mastering this essential Aptitude topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Number Theory. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Number Theory knowledge to the test? Let's get started with our carefully curated MCQs!

Number Theory MCQs | Page 8 of 17

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Q71.
A number when divide by 6 leaves a remainder 3. When the square of the number is divided by 6, the remainder is:

a.

0

b.

1

c.

2

d.

3

Discuss
Answer: (d).3
Q72.
The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers ?
Discuss
Answer: (a).12/35
Q73.
What will be remainder when 17^200 is divided by 18 ?
Discuss
Answer: (c).1
Q74.
If 1400 * x = 1050. Then, x = ?
Discuss
Answer: (d).3/4
Q75.
(1^2 + 2^2 + 3^2 + ... + 10^2) = ?
Discuss
Answer: (d).385
Q76.
The difference of the squares of two consecutive even integers is divisible by which of the following integers ?

a.

3

b.

4

c.

6

d.

7

Discuss
Answer: (b).4
Q77.
Which one of the following is a prime number ?
Discuss
Answer: (d).None of these
Q78.
The sum all even natural numbers between 1 and 31 is:
Discuss
Answer: (c).240
Q79.
The difference between the place value and the face value of 6 in the numeral 856973 is
Discuss
Answer: (c).5994
Q80.
If a and b are odd numbers, then which of the following is even ?
Discuss
Answer: (a).a + b