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 4 of 17

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Q31.
How many 3-digit numbers are completely divisible 6 ?
Discuss
Answer: (b).150
Q32.
How many natural numbers are there between 23 and 100 which are exactly divisible by 6 ?
Discuss
Answer: (d).13
Q33.
How many of the following numbers are divisible by 3 but not by 9 ?
2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276
Discuss
Answer: (b).6
Q34.
How many 3 digit numbers are divisible by 6 in all ?
Discuss
Answer: (b).150
Q35.
A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a + b) = ?
Discuss
Answer: (a).10
Q36.
8597 - ? = 7429 - 4358
Discuss
Answer: (c).5526
Q37.
The smallest prime number is:

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (b).2
Q38.
(12345679 x 72) = ?
Discuss
Answer: (b).888888888
Q39.
On dividing a number by 357, we get 39 as remainder. On dividing the same number 17, what will be the remainder ?

a.

0

b.

3

c.

5

d.

11

Discuss
Answer: (c).5
Q40.
If the product 4864 x 9 P 2 is divisible by 12, then the value of P is:
Discuss
Answer: (d).None of these