# Unit Digit Questions and Answer Set 1

Hi students, welcome to **Amans Maths Blogs (AMB)**. On this post, you will get the Unit Digit Question and Answer Set 1 is the collection of some important questions. Practice these questions for SSC CGL CHSL CAT NTSE NSEJS exams etc.. It will help you to practice the questions on the topics of maths as unit digits based questions of number system.

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**Unit Digit Questions and Answer: Ques No 1**

The units digit of (7^{95} – 3^{58}) is

**Options:**

A. 0

B. 6

C. 3

D. 4

**Answer: D**

**Unit Digit Questions and Answer: Ques No 2**

The unit digit of 287^{562581 }is

**Options:**

A. 7

B. 9

C. 3

D. 1

**Answer: A**

**Unit Digit Questions and Answer: Ques No 3**

The unit digit of 1^{6} + 2^{6} + 3^{6} + ….. + 20^{6} is

**Options:**

A. 0

B. 1

C. 2

D. 4

**Answer: A**

**Unit Digit Question and Answer: Ques No 4**

The unit digit of 634^{262} + 634^{263 }is

**Options:**

A. 0

B. 1

C. 2

D. 3

**Answer: A**

**Unit Digit Question and Answer: Ques No 5**

The unit digit of 6324^{1797} x 615^{316 }x 341^{476 }is

**Options:**

A. 1

B. 5

C. 7

D. 0

**Answer: D**

**Unit Digit Question and Answer: Ques No 6**

The unit digit of 7^{295} x 3^{158 }x 341^{476 }is

**Options:**

A. 2

B. 7

C. 6

D. 4

**Answer: B**

**Unit Digit Question and Answer: Ques No 7**

If the tens digit of positive integers x, y are 6, how many values of the tens digit of 2(x+y) can be there?

**Options:**

A. 2

B. 3

C. 4

D. 5

**Answer: C**

**Unit Digit Question and Answer: Ques No 8**

If a is a positive integer, and if the units digit of a^{2} is 9 and the units digit of (a+1)^{2} is 4, what is the units digit of (a+2)^{2} ?

**Options:**

A. 1

B. 3

C. 6

D. 5

**Answer: A**

**Unit Digit Question and Answer: Ques No 9**

If x is a positive integer, what is the units digit of (24)^{2x+1} x (33)^{x+1} x (17)^{x+2} x (9)^{2x} ?

**Options:**

A. 4

B. 6

C. 7

D. 8

**Answer: D**

**Unit Digit Question and Answer: Ques No 10**

x and y are integers. If the unit’s digit of x² is 9, and the unit’s digit of y² is 9 as well, which of the following CANNOT be (x−y)?

**Options:**

A. 4

B. 6

C. 10

D. 18

**Answer: D**