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Why Aptitude Problems on Numbers is Required?

In this Aptitude section you can learn and practice Aptitude Questions with Answers based on "Problems on Numbers " to improve your skills in order to face written test by IT companies, interview and various entrance tests like Bank Exams, Railway Exams, ICET, GATE, CAT, GRE, MAT, etc.

Where can I get Aptitude Problems on Numbers Questions and Answers with Explanation?

AllIndiaExams provides you lots of fully solved Aptitude Problems on Numbers questions and answers with explanation. Fully solved examples with detailed answer description. All students, freshers can download Aptitude quiz questions with answers as PDF files and eBooks.

Where can I get objective type, multiple choice Aptitude Problems on Numbers Interview Questions and Answers?

Here you can find both objective type and Multiple Choice Aptitude Problems on Numbers questions and answers for interview and entrance examination. True or false type questions are also provided here. Practice these bits well to get success in interviews or entrance tests

How to solve these Aptitude Problems on Numbers problems?

You no need to worry, we have given lots of solved Aptitude Problems on Numbers questions with detailed explanation and also we have provided lots of short cut methods to quickly solve the questions within short time. So you can easily solve all kind of questions.

Home AptitudeProblems on Numbers

Problems on Numbers - Aptitude Questions and Answers

This is aptitude questions and answers section on Problems on Numbers with explanation for various interview, competitive examinations and entrance tests. Aspirants do you want to become perfect in Problems on Numbers Aptitude Quiz? If yes, practice all the provided problems on numbers aptitude questions and answers provided in the below sections.

Problems on Numbers Questions - Problems on Numbers Quiz Details

Online Test Name Problems on Numbers
Exam Type Multiple Choice Questions
Category Aptitude Quiz
Number of Questions 169

Problems on Numbers Formulae

1. (a + b)(a - b) = (a2 - b2)
2. (a + b)2 = (a2 + b2 + 2ab)
3. (a - b)2 = (a2 + b2 - 2ab)
4. (a + b + c)2 = a2 + b2 + c2 + 2(ab + bc + ca)
5. (a3 + b3) = (a + b)(a2 - ab + b2)
6. (a3 - b3) = (a - b)(a2 + ab + b2)
7. (a3 + b3 + c3 - 3abc) = (a + b + c)(a2 + b2 + c2 - ab - bc - ac)
8. When a + b + c = 0, then a3 + b3 + c3 = 3abc.
1. A number exceeds by 25 from its 3/8 part. Then the number is?
  • A. 32
  • B. 35
  • C. 39
  • D. 40
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Answer & Explanation

Answer: Option D

Explanation:

x “ 3/8 x = 25

x = 40

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2. Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?
  • A. 240
  • B. 180
  • C. 160
  • D. 140
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Answer & Explanation

Answer: Option B

Explanation:

3x + 4x = 420

x = 60 => 3x = 180

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3. Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers?
  • A. 12, 9
  • B. 10, 5
  • C. 12, 7
  • D. 11, 6
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Answer & Explanation

Answer: Option C

Explanation:

x “ y = 5

4x “ 6y = 6

x = 12 y = 7

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4. Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be?
  • A. 6, 9
  • B. 10, 5
  • C. 7, 8
  • D. 9, 6
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Answer & Explanation

Answer: Option B

Explanation:

x + y = 15

2x “ 3y = 5

x = 10 y = 5

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5. Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers?
  • A. 65, 15
  • B. 64, 16
  • C. 62, 18
  • D. 60, 20
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Answer & Explanation

Answer: Option A

Explanation:

x + y = 80

x “ 4y = 5

x = 65 y = 15

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