128. A solid cylinder of radius R and mass M, rolls down on inclined plane without slipping and reaches the bottom with a speed v. The speed would be less than v if we use
(a) A cylinder of same mass but of smaller radius
(b) A cylinder of same mass but of larger radius
(c) A cylinder of same radius but of smaller mass
(d) A hollow cylinder of same mass and same radius
Q. In a March Past, seven persons are standing in a row. Q is standing left to R but right to P. 0 is standing right to N and left to P. Similarly, S is standing right to R and …
