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 7 of 17

Q61.
If the number 42573 * is exactly divisible by 72, then the minimum value of * is:

a.

4

b.

5

c.

6

d.

7

Discuss
Answer: (c).6
Q62.
Which of the following numbers is divisible by each one of 3, 7, 9 and 11 ?
Discuss
Answer: (b).2079
Q63.
Which natural number is nearest to 9217, which is completely divisible by 88 ?
Discuss
Answer: (b).9240
Q64.
(4300731) - ? = 2535618
Discuss
Answer: (c).1765113
Q65.
n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4 ?

a.

3

b.

2

c.

1

d.

0

Discuss
Answer: (b).2
Q66.
397 x 397 + 104 x 104 + 2 x 397 x 104 = ?
Discuss
Answer: (b).251001
Q67.
(35423 + 7164 + 41720) - (317 x 89) = ?
Discuss
Answer: (d).56094
Q68.
(x^n - a^n) is completely divisible by (x - a), when
Discuss
Answer: (a).n is any natural number
Q69.
Which one of the following numbers is completely divisible by 45?
Discuss
Answer: (c).202860
Q70.
Which of the following numbers will completely divide (3^25 + 3^26 + 3^27 + 3^28) ?
Discuss
Answer: (d).30