(1). A rectangular prism of volume 3200 mm3 has a rectangular base of length 10 mm and width 8 mm. Find the height h of the prism

• (a). 42mm
• (b). 38mm
• (c). 40mm
• (d). 45mm
• (e). None of these

(2). A hollow iron pipe is 21 cm long and its external diameter is 8 cm. If the thickness of the pipe is 1 cm and iron weighs 8 g/cm3, then the weight of the pipe is

• (a). 3.767Kg
• (b). 3.796 Kg
• (c). 4.212 Kg
• (d). 3.696 Kg
• (e). None of these

(3). 66 cubic centimetres of silver bar is drawn into a wire 1 mm in diameter. The length of the wire in metres will be

• (a). 85m
• (b). 72m
• (c). 84cm
• (d). 84m
• (e). None of these

(4). The diameter of a road roller of length 120 cm is 84 cm. If it takes 500 complete revolutions to level a playground, then find the cost of levelling it at the cost of 75 paise per square metre.

• (a). Rs. 1288
• (b). Rs. 1788
• (c). Rs. 1188
• (d). Rs.2188
• (e). None of these

(5). A cone, a hemisphere and cylinder have equal bases. If the heights of the cone and a cylinder are equal and are same as the common radius, then find the ratio of their respective volumes.

• (a). 2:01:03
• (b). 3:02:01
• (c). 4:03:01
• (d). 1:02:03
• (e). None of these

(6). A patient in a hospital is given soup daily in a cylindrical bowl of diameter 7 cm. If the bowl is filled with soup to a height of 4 cm, then find the quantity of soup to be prepared daily in the hospital to serve 250 patients?

• (a). 37.5L
• (b). 39L
• (c). 38.5L
• (d). 37L
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 6:05
• (b). 7:03
• (c). 8:03
• (d). 6:01
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these