(a) Granite (b) Lime stones (c) Gabro (d) Dolerite Answer: (b)

(a) Marble (b) Granite (c) Lime stone (d) Sand stone Answer: (a)

(a) Stone (b) Brick Answer: (b)

(a) Stone (b) Brick Answer: (a)

(a) Stone (b) Brick Answer: (a)

(a) Stone (b) Brick Answer: (b)

(a) Chemical stones (b) Hard blocks of cement concrete (c) Stone of Ford (d) Artificial Marble Answer: (c)

(a) Metamorphic rocks (b) Igneous rocks (c) Sedimentary rocks (d) None of the above Answer: (a)

(a) Horizontal (b) Vertical (c) As per our convenience (d) Perpendicular to resultant force Answer: (d)

(a) Basalt (b) Sand stone (c) Granite (d) Shale Answer: (a)