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 6 of 17

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Q51.
(11^2 + 12^2 + 13^2 + ... + 20^2) = ?
Discuss
Answer: (b).2485
Q52.
If the number 5 * 2 is divisible by 6, then * = ?

a.

2

b.

3

c.

6

d.

7

Discuss
Answer: (a).2
Q53.
Which of the following numbers will completely divide (49^(15) - 1) ?
Discuss
Answer: (a).8
Q54.
On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is:
Discuss
Answer: (a).10
Q55.
A boy multiplied 987 by a certain number and obtained 559981 as his answer. If in the answer both 9 are wrong and the other digits are correct, then the correct answer would be:
Discuss
Answer: (c).555681
Q56.
How many prime numbers are less than 50 ?
Discuss
Answer: (b).15
Q57.
When a number is divided by 13, the remainder is 11. When the same number is divided by 17, then remainder is 9. What is the number ?
Discuss
Answer: (b).349
Q58.
(51 + 52 + 53 + ... + 100) = ?
Discuss
Answer: (d).3775
Q59.
(800 ÷ 64) x (1296 ÷36) = ?
Discuss
Answer: (d).None of these
Q60.
Which natural number is nearest to 8485, which is completely divisible by 75 ?
Discuss
Answer: (a).8475