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 9 of 17

Q81.
Which one of the following numbers is completely divisible by 99?
Discuss
Answer: (d).114345
Q82.
The sum of how many terms of the series 6 + 12 + 18 + 24 + ... is 1800 ?
Discuss
Answer: (b).24
Q83.
(51+ 52 + 53 + ... + 100) = ?
Discuss
Answer: (d).3775
Q84.
1904 x 1904 = ?
Discuss
Answer: (c).3625216
Q85.
What is the unit digit in(7^95 - 3^58)?

a.

0

b.

4

c.

6

d.

7

Discuss
Answer: (b).4
Q86.
The smallest 6 digit number exactly divisible by 111 is:
Discuss
Answer: (c).100011
Q87.
The largest 5 digit number exactly divisible by 91 is:
Discuss
Answer: (b).99918
Q88.
The smallest 5 digit number exactly divisible by 41 is:
Discuss
Answer: (b).10004
Q89.
How many terms are there in the G.P. 3, 6, 12, 24, ... , 384 ?
Discuss
Answer: (a).8
Q90.
If x and y are positive integers such that (3x + 7y) is a multiple of 11, then which of the following will be divisible by 11 ?
Discuss
Answer: (d).4x - 9y