Question

0.10/40 sf the radius of cylinder is doubled, but
height is reduced by 50%. What is the percentage
change in volume?
यदि सिलेंडर का त्रिज्या दोगुना हकर दिया जाये, और ऊंचाई
50% तक कम हो जाती है तो आयतन में कितना प्रतिशत
परिवर्तन होगा?
A.0
B.100
C.120
D.75
E. None of thesel
इनमें से कोई नहीं​

Answer 1

Answer: The volume of a cylinder = cross-sectional area × height

=πr2h

If the height of a cylinder doubles, the volume doubles. However, if the radius is halved, the cross-sectional area is quartered. The net effect is to halve the volume

Step-by-step explanation: