The falling height of an object is proportional to the square of the time. One object falls 64 cm in 2 sec then in 6 sec from how much height the object `192\ c m` b. `276\ c m` c. `576\ c m` d. `436\ c m`

The falling height of an object is proportional to the square of the time.One object falls 64 cm in 2 sec then in 6 sec from how much height the object 192backslash cm b.276backslash cm c.576backslash cm d.436backslash cm

If the length of a diagonal of a rectangle of length 16 cm is 20 cm, then its area is (a) 192\ c m^2 (b) 320\ c m^2 (c) 160\ c m^2 (d) 156\ c m^2

The length, width and height of a rectangular solid are in the ratio of 3:2:1. If the volume of the box is 48\ c m^3, the total surface area of the box is: (a) 27\ c m^2 (b) 32\ c m^2 (c) 44\ c m^2 (d) 88\ c m^2

The length of a rectangle is 8 cm more than the breadth. If the perimeter of the rectangle is 80 cm, then the area of the rectangle is (a)192 c m^2 (b) 364 c m^2 (c)384 c m^2 (d) 382 c m^2

In Figure, if A C is bisector fo /_B A D such that A B=3\ c m\ a n d\ A C=5\ c m , then C D= 2\ c m (b) 3\ c m (c) 4\ c m (d) 5\ c m

Each diagonal of a square is 14 cm. Its area is (a) 196\ c m^2 (b) 88\ c m^2 (c) 98\ c m^2 (d) 148\ c m^2

If the perimeter of a square is 16 cm, then its area is (a)4 c m^2 (b) 8\ c m^2 (c) 16\ c m^2 (d) 12\ c m^2

A piece of wire of length 12 cm is bent to form a square. The area of the square is 36 c m^2 (b) 144 c m^2 9 c m^2 (d) 12 c m^2

The area of a square of side 14cm is (a) 49 c m^2 (b) 156 c m^2 (c) 56 c m^2 (d) 196\ c m^2