- 7. Find the distance of the point A(4, -4) from the origin.

A.) 3√2 B.) 2√8 C.) 6√2 D.) 8√2 Answer: Option 'D'

OA = √4^{2}+(-4)^{2}= √16+16 = √32 = 8√2

- 8. Find the distance of the point A(3, -3) from the origin.

A.) 3√2 B.) 3√6 C.) 6√2 D.) 7√2 Answer: Option 'A'

OA = √3^{2}+(-3)^{2}= √9+9 = √18 = 3√2 - 9. P is a point on x-axis at a distance of 4 units from y-axis to its right. The co-ordinates of P are:

A.) (4, 0) B.) (0, 4) C.) (4, 4) D.) (-4, 4) Answer: Option 'A'

The co-ordinates of P are A(4, 0) - 10. A is a point on y-axis at a distance of 5 units from x-axis lying below x-axis. The co-ordinates of A are:

number is:

A.) (5, 0) B.) (-5, 0) C.) (0, 5) D.) (0, -5) Answer: Option 'D'

The co-ordinates of A are A(0, -5) - 11. Find the distance of the point A(4, -2) from the origin.

A.) 4√5 units B.) 2√5 units C.) 5√2 units D.) 7√2 units Answer: Option 'A'

OA = √4 - 0^{2}+(-2 - 0)^{2}= √16+4 = √20 = radic;4*5 = 2√5 units

The distance of a point A(x, y) from the origin O(0, 0) is given by

OA = √x^{2}+ y^{2}

Students can learn and improve on their Cognitive and Mathematical Fast Calculation skills and prepare for competitive examinations like...

- All I.B.P.S and Public Sector Bank Competitive Exam
- Common Aptitude Test (CAT) Exams
- UPSC Paper-II or CSAT Exams
- SSC Competitive Exams
- Defence Competitive Exams
- L.I.C / G.I.C AO and Clerk Competitive Exams
- Railway Competitive Exam
- University Grants Commission (UGC)
- Career Aptitude Test (IT Companies) and etc.

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