Radius of cylinder increased = 20 % = +1/5 Original radius = 5 unit New radius = 6 unit Height reduced = 40% = -2/5 Original Height = 5 New height = 3 Volume = π r2 h = π (5)2 x 5 = 125 π New volume = π r2 h = π (6)2 x 3 = 108 π Effect on Volume = (108 π – 125 π)/125 π x 100 = (-17 π / 125π) x 100 = 13.6 % decreased
‘P + Q’ means ‘P is the daughter of Q’.
‘P % Q’ means ‘P is the son of Q’.
‘P # Q’ means ‘P is the wife of Q’.
...Choose the next number in the series.
69, 81, 105, 141, 189,?
Eight people M, N, P, S, T, V, X and Y are sitting in a straight line and all are facing north.
N sits second from one of the extreme ends of the...
'A + B' means 'A is brother of B'
'A – B' means 'A is mother of B'
'A × B' means 'A is husband of B'
'A ÷ B' means 'A is sister...
Select the mirror image of the figure, when the mirror is placed on the right side of the figure.
Select the connect mirror image from the following options, when the mirror is placed on the right side of the given figure.
The sequence of folding a piece of paper and the manner in which the folded paper has been cut is shown below. Choose a figure which would most closely ...
In the given diagram, the circle represents 'doctors', the triangle represents "actors' and the pentagon represents 'gentlemen'. Which of the following ...
Select the option in which the given figure is embedded (rotation is NOT allowed).
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
