Number System Questions and Answers updated daily – Aptitude


Number System Questions and Answers updated daily – Aptitude



222 Number System Questions and answers section with explanation for various online exam preparation, various interviews, Aptitude Number System online test. Number System Questions with detailed description, explanation will help you to master the topic.

Number System Questions

1. Find the Missing number in the the below series
133, 160, 187, X , 241, 268



SHOW ANSWER
Correct Ans:214
Explanation:
The given series is -- 133, 160, 187, X , 241, 268
Consequtive numbers increases by 27
Following this pattern, the Missing Number X should increase by 27 from the previous number.
When we add 27 to the number before X (i.e 187) we get 187+27=214


2. Find the HCF of 12 , 10?



SHOW ANSWER
Correct Ans:2
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.


3. Find the LCM of 25 , 24?



SHOW ANSWER
Correct Ans:600
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices is divisble by both the numbers. If any choice doesn’t get divided by both the numbers, then you can eliminate that particular choice and move to the next number. Answer will be the Number that is exactly divisble by both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will be exactly divisible by both the numbers, in that case , please choose the lowest among the numbers.


4. Which number should come in place of the missing Number ?

117, 148, 179, X , 241, 272



SHOW ANSWER
Correct Ans:210
Explanation:
The given series is -- 117, 148, 179, X , 241, 272
Consequtive numbers increases by 31
Following this pattern, the Missing Number X should increase by 31 from the previous number.
When we add 31 to the number before X (i.e 179) we get 179+31=210


5. Find the HCF of 12 , 8?



SHOW ANSWER
Correct Ans:4
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.


6. Find the LCM of 25 , 7? 



SHOW ANSWER
Correct Ans:175
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices is divisble by both the numbers. If any choice doesn’t get divided by both the numbers, then you can eliminate that particular choice and move to the next number. Answer will be the Number that is exactly divisble by both given numbers.
The Lcm is 175.

Please Note : There may be a scenario when two or more numbers in the choice will be exactly divisible by both the numbers, in that case , please choose the lowest among the numbers.


7. What should come in place of X in the below number series?

117, 88, 59, X , 1, -28



SHOW ANSWER
Correct Ans:30
Explanation:
The given series is 117, 88, 59, X , 1, -28
Consequtive numbers decreases by 29
Following this pattern, the Missing Number X should decrease by 29 from the previous number.
When we subract 29 to the number before X (i.e 59) we get 59 - 29 = 30


8. Find the HCF of 12 , 6?



SHOW ANSWER
Correct Ans:6
Explanation:
The fastest way to find the correct answer is by elimination rule :

Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.

Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.


9. Find the LCM of 25 , 5?



SHOW ANSWER
Correct Ans:25
Explanation:
The fastest way to find the correct answer is by elimination rule :

Check whether each of the given choices is divisble by both the numbers. If any choice doesn’t get divided by both the numbers, then you can eliminate that particular choice and move to the next number. Answer will be the Number that is exactly divisble by both given numbers.

Please Note : There may be a scenario when two or more numbers in the choice will be exactly divisible by both the numbers, in that case , please choose the lowest among the numbers.


10. Output of a particular program follows the below pattern. Can you find the Missing number?

117, 146, 175, X , 233, 262



SHOW ANSWER
Correct Ans:204
Explanation:
The given series is -- 117, 146, 175, X , 233, 262

Consequtive numbers increases by 29

Following this pattern, the Missing Number X should increase by 29 from the previous number.

When we add 29 to the number before X (i.e 175) we get 175+29=204


11. Find the HCF of 12 , 22?



SHOW ANSWER
Correct Ans:2
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.


12. Find the LCM of 25 , 3?



SHOW ANSWER
Correct Ans:75
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices is divisble by both the numbers. If any choice doesn’t get divided by both the numbers, then you can eliminate that particular choice and move to the next number. Answer will be the Number that is exactly divisble by both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will be exactly divisible by both the numbers, in that case , please choose the lowest among the numbers.


13. In the below given sequence, what should be the Missing number ?

117, 92, 67, X , 17, -8



SHOW ANSWER
Correct Ans:42
Explanation:
The given series is -- 117, 92, 67, X , 17, -8
Consequtive numbers decreases by 25
Following this pattern, the Missing Number X should decrease by 25 from the previous number.
When we subract 25 to the number before X (i.e 67) we get 67--25=42


14. Find the HCF of 19 , 14?



SHOW ANSWER
Correct Ans:1
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.


15. Find the LCM of 41 , 30?



SHOW ANSWER
Correct Ans:1230
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices is divisble by both the numbers. If any choice doesn’t get divided by both the numbers, then you can eliminate that particular choice and move to the next number. Answer will be the Number that is exactly divisble by both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will be exactly divisible by both the numbers, in that case , please choose the lowest among the numbers.


16. A Computer program gave the following output. Can you predict the Missing number in the computer output ?

117, 142, 167, X , 217, 242



SHOW ANSWER
Correct Ans:192
Explanation:
The given series is -- 117, 142, 167, X , 217, 242
Consequtive numbers increases by 25
Following this pattern, the Missing Number X should increase by 25 from the previous number.
When we add 25 to the number before X (i.e 167) we get 167+25=192


17. Find the HCF of 19 , 12?



SHOW ANSWER
Correct Ans:1
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.


18. Find the LCM of 41 , 20?



SHOW ANSWER
Correct Ans:820
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices is divisble by both the numbers. If any choice doesn’t get divided by both the numbers, then you can eliminate that particular choice and move to the next number. Answer will be the Number that is exactly divisble by both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will be exactly divisible by both the numbers, in that case , please choose the lowest among the numbers.


19. A professor wrote down the below series in a class room. He wants his students to find the Missing number. Can you solve it ?

117, 96, 75, X , 33, 12



SHOW ANSWER
Correct Ans:54
Explanation:
The given series is -- 117, 96, 75, X , 33, 12
Consequtive numbers decreases by 21
Following this pattern, the Missing Number X should decrease by 21 from the previous number.
When we subract 21 to the number before X (i.e 75) we get 75--21=54


20. Find the HCF of 19 , 10?



SHOW ANSWER
Correct Ans:1
Explanation:
The fastest way to find the correct answer is by elimination rule :
Check whether each of the given choices divides both the numbers. If any of the given choices doesn’t divide both the numbers, then you can eliminate that particular choice and move to the next choice. Answer will be the HIGHEST Number that exactly divides both given numbers.
Please Note : There may be a scenario when two or more numbers in the choice will exactly divide both the numbers, in that case , please choose the Highest among the numbers.



1...1...1112


Are you seeking for good platform for practicing Number System questions in online. This is the right place. The time you spent in Fresherslive will be the most beneficial one for you.

Online Test on Number System @ Fresherslive

This page provides important questions on Number System along with correct answers and clear explanation, which will be very useful for various Interviews, Competitive examinations and Entrance tests. Here, Most of the Number System questions are framed with Latest concepts, so that you may get updated through these Number System Online tests. Number System Online Test questions are granted from basic level to complex level.

Why To Practice Number System Test questions Online @ Fresherslive?

Number System questions are delivered with accurate answer. For solving each and every question, very lucid explanations are provided with diagrams wherever necessary.

Practice in advance of similar questions on Number System may improve your performance in the real Exams and Interview.

Time Management for answering the Number System questions quickly is foremost important for success in Competitive Exams and Placement Interviews.

Through Fresherslive Number System questions and answers, you can acquire all the essential idea to solve any difficult questions on Number System in short time and also in short cut method.

Winners are those who can use the simplest method for solving a question. So that they have enough time for solving all the questions in examination, correctly without any tense. Fresherslive provides most simplest methods to answer any tough questions. Practise through Fresherslive test series to ensure success in all competitive exams, entrance exams and placement tests.

Why Fresherslive For Number System Online Test Preparation?

Most of the job seekers finding it hard to clear Number System test or get stuck on any particular question, our Number System test sections will help you to success in Exams as well as Interviews. To acquire clear understanding of Number System, exercise these advanced Number System questions with answers.

You're Welcome to use the Fresherslive Online Test at any time you want. Start your beginning, of anything you want by using our sample Number System Online Test and create yourself a successful one. Fresherslive provides you a new opportunity to improve yourself. Take it and make use of it to the fullest. GOODLUCK for Your Bright Future.


FreshersLive - No.1 Job site in India. Here you can find latest 2017 government as well as private job recruitment notifications for different posts vacancies in India. Get top company jobs for both fresher and experienced. Job Seekers can get useful interview tips, resume services & interview Question and answer. Practice online test free which is helpful for interview preparation. Register with us to get latest employment news/rojgar samachar notifications. Also get latest free govt and other sarkari naukri job alerts daily through E-mail.