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### Numbers

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? Let check this web page. We have provided the Problems on Numbers Aptitude Question and Answers for the aspirants. By undertaking the Problems on Numbers quiz aspirants can score good marks in competitive exams like SSC, RRB, Bank PO, IBPS, etc.

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#### Numbers Questions – Numbers Quiz Details

 Online Test Name Numbers Exam Type Chapters & Multiple Choice Questions Category Aptitude Quiz Number of Questions 50

#### 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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