The area of a circle is halved when its radius is decreased by n, its radius is equal to Options: A . &nbsp \(n ( 2 - \sqrt{2})\) B . &nbsp \(n ( 2 +\sqrt{2})\) C . &nbsp \(n ( 1 - \sqrt{2})\) D . &nbspnone of these

The area of a circle is halved when its radius is decreased by n, its radius

Question

The area of a circle is halved when its radius is decreased by n, its radius is equal to

Options:

A . \(n ( 2 - \sqrt{2})\)

B . \(n ( 2 +\sqrt{2})\)

C . \(n ( 1 - \sqrt{2})\)

D . none of these

Answer: Option B

Submit Your Solution Below and Earn Points !

Next Question

Question 1. The area of the largest circle that can be drawn in a square of side 14 cm is ....

Question 2. The length of a wire which is tied as a boundary of a semicircular park is 72 m.Find the radius of the semicircular park....of the semicircular park and area of the park.

Question 3. A chord AB of a circle of radius 10 cm makes a right angle at the centre of the circle. Find the area of the major an....Find the area of the major and the minor segments.

Question 4. Four equal circles are described about the four comers of a square so that each touches two of the other. Find the ar....the circles, each side of the square measuring 14 cm.

Question 5. An equilateral triangle has a side of 2 metres. With all the three comers as centres circles are described, each of radi....portion of the triangle is (take = 3.1416)

Question 6. By how much per cent approximately is the diagonal of a square less than two of its sides combined? ....

Question 7. If the area of a square increases by 96%, then the side of a square increases by ....

Question 8. The length of a rope by which a horse must be tethered so that it may be allowed to graze over an area of 144 Ð....be allowed to graze over an area of 144 Ð› m2 is

Question 9. The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the ....then the area of the park (in sq. m) is:

Question 10. An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of th....of error in the calculated area of the square is:

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI

Tabulation - Test Paper 2 Data Interpretation Reasoning & DI

Test Paper 1 Direction Sense Test Reasoning & DI

ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0

GFM Combined 1 Free Revision Test SAIL JO E-0