In a circle, the radius is made twice in length. The area of the circle will be increased by ______?
Answer: Four times
Explanation
Area of a circle = πr².
If radius is doubled (2r), new area = π(2r)² = 4πr² → 4 times the original area.
This question appeared in
Past Papers (6 times)
IBA STS 25 Years Past Papers Subject Wise (Solved) (2 times)
IBA STS Past Papers, Syllabus, Jobs (2 times)
JEST Past Papers (2 times)
This question appeared in
Subjects (1 times)
MATHS MCQS (1 times)
Related MCQs
- If radius of a circle is increased to twice its original length, how much will the area of the circle increase ?
- The circumference of a circle is a? units and the area of the circle b? If a = b. What it the radius of the circle?
- If the radius of the circle increased 4 times, then its area increased should be?
- Find the length of tangent drawn to a circle of radius 6 cm from a point at a distance of 10 cm from the center of the circle?
- If an object is revolving in circular path of radius 2m and during its motion, it traverses an arc of length 4m then the angle (in radian) made at the center of the circle by it is
- If our circle has 4 m radius and had covered the distance of 14 m on the circumference of a circle. Find the displacement.
- The radius of a circle is 1 cm find its area
- If the radius of a circle is 30 cm, find the length of a chord which is 10 cm from the center?
- If radius of a circle is 5 m, find diameter of circle ?
- If diameter of a circle is 5m .Find Radius of circle ?
