App Logo

No.1 PSC Learning App

1M+ Downloads
If the radius of a cylinder is doubled and the height is halved, then the volume change will be

A75% decrease

B50% decrease

C100% increase

D50% increase

Answer:

C. 100% increase

Read Explanation:

image.png

Related Questions:

In the given figure, ABCD is a cyclic quadrilateral. the angle bisector of ∠D and ∠C meets at point E. If the ∠DEC = 72∘, then find the value of (α + β).

 

Find the surface area of a sphere with a diameter 1/2 cm

Which of the following is true?

a) Every trapezium is a parallelogram.

b) Every parallelogram is a square.

c) Every rectangle is a square.

d)Every square is a rhombus.

The area of the curved surface of a cone is 195π cm2cm^2 . If the slant height of the cone is 12 cm, find the radius of the base

The length and breadth of a rectangle are 12 cm and 9 cm, respectively. Its perimeter will be