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 1 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

Q1.

Which one of the following is not a prime number?

a.

31

b.

61

c.

71

d.

91

Discuss

Answer: (d).91

Q2.

(112 x 5^4) = ?

a.

67000

b.

70000

c.

76500

d.

77200

Discuss

Answer: (b).70000

Q3.

It is being given that (2^32 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?

a.

(2^16 + 1)

b.

(2^16 - 1)

c.

(7 x 2^23)

d.

(2^96 + 1)

Discuss

Answer: (d).(2^96 + 1)

Q4.

What least number must be added to 1056, so that the sum is completely divisible by 23 ?

a.

2

b.

3

c.

18

d.

21

Discuss

Answer: (a).2

Q5.

1397 x 1397 = ?

a.

1951609

b.

1981709

c.

18362619

d.

2031719

Discuss

Answer: (a).1951609

Q6.

How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336

a.

4

b.

5

c.

6

d.

7

Discuss

Answer: (a).4

Q7.

(935421 x 625) = ?

a.

575648125

b.

584638125

c.

584649125

d.

585628125

Discuss

Answer: (b).584638125

Q8.

The largest 4 digit number exactly divisible by 88 is:

a.

9944

b.

9768

c.

9988

d.

8888

Discuss

Answer: (a).9944

Q9.

Which of the following is a prime number ?

a.

33

b.

81

c.

93

d.

97

Discuss

Answer: (d).97

Q10.

What is the unit digit in {(6374)^1793 x (625)^317 x (341)^491)}?

a.

0

b.

2

c.

3

d.

5

Discuss

Answer: (a).0

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