Consider the following statements: The minimum number of points of intersection of a square and a circle is 2. The maximum number of points of intersection of a square and a circle is 8. Which of the above statements is/are correct?
- A1 only
- B2 onlyCorrect
- Cboth 1 and 2
- Dneither 1 and 2
Explanation
Statement 1 is incorrect. The minimum number of points of intersection of a square and a circle is 0. This occurs if the circle and square are completely separate (e.g., far apart) or if one is entirely contained within the other without touching. It is also possible to have 1 point of intersection if the circle is tangent to one side or a vertex of the square. Therefore, the minimum is not 2.
Statement 2 is correct. A circle can intersect a straight line segment at a maximum of 2 points. A square has 4 sides, which are 4 distinct line segments. It is possible to draw a circle that intersects each of the four sides of the square at two distinct points. For example, a circle centered at the square's center with a radius that cuts through each side twice will result in 4 sides * 2 points/side = 8 points of intersection. This is the maximum possible.

Related questions
More UPSC Prelims practice from the same subject and topic.
- Prelims 2020CSATQuantitative Aptitude
Let x,y be the volumes; m,n be the masses of two metallic cubes P and Q respectively. Each side of Q is two times that of P and mass of Q is two times that of P. Let u = m / x and V = n / y , which on…
- Prelims 2020CSATQuantitative Aptitude
How many zeroes are there at the end of the following product? 1 × 5 × 10 × 15 × 20 × 25 × 30 × 35 × 40 × 45 × 50 × 55 × 60
- Prelims 2020CSATQuantitative Aptitude
Let XYZ be a three-digit number, where (x + y + z) is not a multiple of 3. Then (XYZ + YZX + ZXY) is not divisible by
- Prelims 2020CSATQuantitative Aptitude
Let p, q, r and s be natural numbers such that p - 2016 = q + 2017 = r - 2018 = s + 2019 which one of the following is the largest natural number?
- Prelims 2020CSATQuantitative Aptitude
How many five-digit prime numbers can be obtained by using all the digits 1, 2, 3, 4 and 5 without repetition of digits?
- Prelims 2020CSATQuantitative Aptitude
In the sum A + 1A + 5A + AA + A1 = 1AA for which digit does the symbol A stand?