Question

010. In a cylinder, if adius is halved and height is doubled the volume will be-
(a) One
(b) Doubled
(c) Halved
(d) Four​

Answer 1

Answer:

c)halved

vol = $\pi$r²h

vol= $\pi$(r/2)² *2h

     =$\pi$r/4*2h

      =$\pi$rh/2