Question

17. The single discount which is equivalent to two successive discount of 20% and 25% is
(a) 40%
(b) 45% (c) 5% (d) 22.5%​

Answer 1

Answer:

single disc:

=20 +80x25x100

= 20+20 = 40% Ans. (a)

Answer 2

Answer:

A rectangular sheet of paper of dimension 25cm×22cm is rolled along its width to form a cylinder find the volume of cylinder so formed