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

Discover more Topics under Aptitude

01.

Time and Work

02.

Average

03.

Simplification

04.

Problems on Trains

05.

Height and Distance

06.

Simple Interest

07.

Profit and Loss

08.

Percentage

09.

Calendar

10.

Volume and Surface Area

11.

Problems on H.C.F and L.C.M

12.

Surds and Indices

13.

Chain Rule

14.

Boats and Streams

15.

Logarithm

16.

Stocks and Shares

17.

Discount

18.

Time and Distance

19.

Compound Interest

20.

Partnerships

21.

Problems on Ages

22.

Problems on Clocks

23.

Permutation and Combination

24.

Ratio and Proportion

25.

Pipes and Cisterns

26.

Alligations and Mixtures

27.

Probability

Q31.

How many 3-digit numbers are completely divisible 6 ?

a.

149

b.

150

c.

151

d.

166

Discuss

Answer: (b).150

Q32.

How many natural numbers are there between 23 and 100 which are exactly divisible by 6 ?

a.

8

b.

11

c.

12

d.

13

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

a.

5

b.

6

c.

7

d.

None of these

Discuss

Answer: (b).6

Q34.

How many 3 digit numbers are divisible by 6 in all ?

a.

149

b.

150

c.

151

d.

166

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) = ?

a.

10

b.

11

c.

12

d.

15

Discuss

Answer: (a).10

Q36.

8597 - ? = 7429 - 4358

a.

5426

b.

5706

c.

5526

d.

5476

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) = ?

a.

88888888

b.

888888888

c.

898989898

d.

9999999998

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:

a.

2

b.

5

c.

6

d.

None of these

Discuss

Answer: (d).None of these

Page 4 of 17