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## Problems on Numbers Questions - Problems on Numbers Quiz Details

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### Problems on Numbers Aptitude Questions

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### 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.

### Problems on Numbers MCQ Quiz Answers With Solutions

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Online Test Name |
Problems on Numbers |

Exam Type |
Multiple Choice Questions |

Category |
Aptitude Quiz |

Number of Questions |
169 |

We have furnished the information on Problems on Numbers Aptitude Questions in an informative manner. Candidates by practicing these Problems on Numbers Aptitude quiz can improve the performance levels. So that they should spend their valuable time on preparation. To enter into the professional field, candidates should thorough in these topics. People must utilize this chance and start preparing for any competitive exams or entrance exams like SSC CGL, SBI PO, RRB NTPC, All region Railways exams, etc.

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?
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2. Ratio between two numbers is 3: 4 and their sum is 420. Find the smaller number?
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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?
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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?
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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?
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