# Number System Questions

Hello Reader, welcome to our blog I hope you are doing well. As we all know Number system is an important topic of SSC CGL/CHSL/CPO/MTS Exams and each year 1-3 questions are asked from Number system. So today we are sharing some previous year Number system Questions asked in SSC CGL. You can practice from these Number System Questions and enhance your preparation to score high in upcoming Exams.

#### Practice Questions

Product of three consecutive odd numbers is 1287. What is the largest of the three numbers?

1) 9

2) 11

3) 13

4) 17

**Correct Answer**: 13

For what value of X, 211X will be a perfect square?

1) 4

2) 5

3) 6

4) 9

**Correct Answer**: 6

What is the sum of all prime numbers between 60 and 80?

1) 272

2) 284

3) 351

4) 414

**Correct Answer**: 351

Convert binary 1101111 to decimal.

1) 111

2) 101

3) 110

4) 100

**Correct Answer**: 111

What is the value of 9991 x 10009?

1) 99999099

2) 99999819

3) 99999919

4) 99999019

**Correct Answer**: 99999919

What least number must be added to 4131, so that the sum is completely divisible by 19?

1) 10

2) 11

3) 9

4) 12

**Correct Answer**: 11

What is the remainder when 6729 is divided by 35?

1) 11

2) 7

3) 9

4) 13

**Correct Answer**: 9

What is the largest 4-digit number that is exactly divisible by 93?

1) 9961

2) 9971

3) 9981

4) 9951

**Correct Answer**: 9951

What will be the quotient when 2143 is divided by 38?

1) 56

2) 55

3) 57

4) 54

**Correct Answer**: 56

What is the LCM of 64 and 56?

1) 448

2) 488

3) 484

4) 408

**Correct Answer**: 448

Convert decimal 101 to binary.

1) 1101001

2) 1100111

3) 1101011

4) 1100101

**Correct Answer**: 1100101

What least number must be subtracted from 3401, so that the sum is completely divisible by 11?

1) 3

2) 1

3) 2

4) 0

**Correct Answer**: 2

What least number must be added to 213, so that the sum is completely divisible by 9?

1) 3

2) 2

3) 1

4) 4

**Correct Answer**: 3

What is the HCF of 6345 and 2160?

1) 45

2) 135

3) 270

4) 15

**Correct Answer**: 135

9997 x 10003 =?

1) 9999991

2) 99999911

3) 99999991

4) 9999911

**Correct Answer**: 99999991

What least number must be added to 329, so that the sum is completely divisible by 7?

1) 1

2) 0

3) 2

4) 3

**Correct Answer**: 0

Convert decimal 99 to binary.

1) 110010 1

2) 1101001

3) 11100011

4) 1100011

**Correct Answer**: 1100011

What is the remainder when 2468 is divided by 37?

1) 26

2) 36

3) 18

4) 14

**Correct Answer**: 26

What is the largest 4-digit number which is exactly divisible by 81?

1) 9993

2) 9936

3) 9918

4) 9963

**Correct Answer**: 9963

What least number must be subtracted from 210, so that the sum is completely divisible by 11?

1) 2

2) 3

3) 4

4) 1

**Correct Answer**: 1

What is the LCM of 120 and 450?

1) 2400

2) 1800

3) 3600

4) 4800

**Correct Answer**: 1800

Convert binary 10110 to decimal.

1) 22

2) 20

3) 18

4) 16

**Correct Answer**: 22

What is the quotient when 1359 is divided by 48?

1) 29

2) 30

3) 31

4) 28

**Correct Answer**: 28

What least number must be subtracted from 518, so that the sum is completely divisible by 13?

1) 11

2) 10

3) 9

4) 12

**Correct Answer**: 11

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