In Fig. 15.112, the area of the shaded region is (FIGURE) (a) `3pi\ c m^2` (b) `6pi\ c m^2` (c) `9pi\ c m^2` (d) `7pi\ c m^2`

In Fig. 15.107, the shaded area is (FIGURE) (a) 50(pi-2)c m^2 (b) 25(pi-2)c m^2 (c) 25(pi+2)c m^2 (d) 5(pi-2)c m^2

The area of the circle that can be inscribed in a square of side 10 cm is (a) 40pi\ c m^2 (b) 30pi\ c m^2 (c) 100\ pi\ c m^2 (d) 25\ pi\ c m^2

If MN=x, then what is the area of the shaded region? (FIGURE) (a) pi backslash x^(2)( b) (pi backslash x^(2))/(2) (c) (pi backslash x^(2))/(2) (d) (pi backslash x^(2))/(4)

If A B is a chord of length 5sqrt(3) cm of a circle with centre O and radius 5 cm, then area of sector O A B is (a) (3pi)/8c m^2 (b) (8pi)/3c m^2 (c) 25pi\ c m^2 (d) (25pi)/3c m^2

A conical cavity is drilled in a circular cylinder of 15 cm height and 16 cm base diameter. The height and base diameter of the cone are the same as those of the cylinder. Determine the total surface area of the remaining solid. 215 pi c m^2 (b) 376 pi c m^2 (c) 440 pi c m^2 (d) 542 pi c m^2

In Fig. 15.108, the area of the segment P A Q is (FIGURE) (a) (a^2)/4(pi+2) (b) (a^2)/4(pi-2) (c) (a^2)/4(pi-1) (d) (a^2)/4(pi+1)

The largest sphere is cut off from a cube of side 6cm. The volume of the sphere will be 27 pi\ c m^3 (b) 36pi\ c m^3 (c) 108pi\ c m^3 (d) 12pi\ c m^3

In Fig. 15.109, the area of segment A C B is (FIGURE) (a) (pi/3-(sqrt(3))/2)\ r^2 (b) (pi/3+(sqrt(3))/2)\ r^2 (c) (pi/3-2/(sqrt(3)))\ r^2 (d) None of these

The area of a circle is 220\ c m^2 . The area of a square inscribed in it is (a) 49\ c m^2 (b) 70\ c m^2 (c) 140\ c m^2 (d) 150\ c m^2

A sphere of radius 100 mm shrinks to radius 98 mm, then the approximate decrease in its volume is 12000\ pi\ m m^3 (b) 800\ pi\ m m^3 (c) 80000\ pi\ m m^3 (d) 120\ pi\ m m^3