Volume And Surface Area – Aptitude MCQ Questions – 07 Posted on July 3, 2020July 3, 2020 by admin 0 Created on July 03, 2020 By admin Volume And Surface Area - Aptitude MCQ Questions - 07 1 / 10 1. A cistern, open at the top, is to be lined with sheet of lead which weights 27 kg/m2. The cistern is 4.5 m long and 3 m wide and holds 50 m3. The weight of lead required is : A.1660.5 kg B.1764.5 kg C.1860.5 kg D.1864.5 kg 2 / 10 2. The length, breadth and height of a cuboid are in the ratio 1 : 2 : 3. The length, breadth and height of the cuboid are increased by 100%, 200% and 200% respectively. Then the increase in the volume of the cuboid is : A.5 Times B.6 Times C.12 Times D.17 Times 3 / 10 3. A water tank is 30 m long, 20 m wide and 12 m deep. It is made of iron sheet which is 3 m wide. The tank is open at the top. If the cost of the iron sheet is Rs. 10 per metre, then the total cost of the iron sheet required to build the tank is : A.Rs. 6000 B.Rs. 8000 C.Rs. 9000 D.Rs. 10000 4 / 10 4. If the total length of diagonals of a cube is 12 cm, then what is the total length of the edges of the cube ? A.6√3 cm B.12 cm C.15 cm D.12√3 cm 5 / 10 5. By what percent the volume of a cube increases if the length of each edge was increased by 50% A.50% B.125% C.237.5% D.273.5% 6 / 10 6. The height of a closed cylinder of given volume and the minimum surface area is : A.Equal to its diameter B.Half of its diameter C.Double of its diameter D.None of these 7 / 10 7. Water is poured into an empty cylindrical tank at a constant rate for 5 minutes. After the water has been poured into the tank. the depth of the water is 7 feet. The radius of the tank is 100 feet. Which of the following is the best approximation for the rate at which the water was poured into the tank ? A.140 cubic feet/sec B.440 cubic feet/sec C.700 cubic feet/sec D.2200 cubic feet/sec 8 / 10 8. The curved surface of a right circular cone of height 15 cm and base diameter 16 cm is A.60π cm2 B.68π cm2 C.120π cm2 D.136π cm2 9 / 10 9. A right circular cone and a right circular cylinder have equal base and equal height. If the radius of the base and the height are in the ratio 5 : 12, then the ratio of the total surface area of the cylinder to that of the cone is : A.3 : 1 B.13 : 9 C.17 : 9 D.34 : 9 10 / 10 10. The curved surface area of a sphere is 5544 sq.cm. Its volume is : A.22176 cm3 B.33951 cm3 C.38808 cm3 D.42304 cm3 Your score is The average score is 0% LinkedIn Facebook Twitter 0% Restart quiz