Question: The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?

• 1. 81 : 121
• 2. 9 : 11
• 3. 729 : 1331
• 4. 27 : 12

Question: A metallic sphere of radius 12 cm is melted and drawn into a wire, whose radius of cross section is 16 cm. What is the length of the wire?

• 1. 45 cm
• 2. 18 cm
• 3. 90 cm
• 4. None of these

Question: The volumes of two cones are in the ratio 1 : 10 and the radii of the cones are in the ratio of 1 : 2. What is the length of the wire?

• 1. 2 : 5
• 2. 1 : 5
• 3. 3 : 5
• 4. 4 : 5

Question: The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 500 resolutions.

• 1. 252 m
• 2. 704 m
• 3. 352 m
• 4. 808 m

Question: The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 5 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?

• 1. Rs. 4800
• 2. Rs. 3600
• 3. Rs. 3560
• 4. Rs. 4530

Question: A cube of side one meter length is cut into small cubes of side 10 cm each. How many such small cubes can be obtained?

• 1. 10
• 2. 100
• 3. 1000
• 4. 10000

Question: There are two circles of different radii. The area of a square is 196 sq.cm, whose side is half the radius of the larger circle. The radius of the smaller circle is three-seventh that of the larger circle. What is the circumference of the smaller circle ?

• 1. 12 π cm
• 2. 16 π cm
• 3. 24 π cm
• 4. 32 π cm

Question: The parameter of a square is equal to the perimeter of a rectangle of length 16 cm and breadth 14 cm. Find the circumference of a semicircle whose diameter is equal to the side of the square. (Round off your answer to two decimal places)?

• 1. 23.57 cm
• 2. 47.14 cm
• 3. 84.92 cm
• 4. 94.94 cm

Question: A 25 cm wide path is to be made around a circular garden having a diameter of 4 meters. Approximate area of the path is square meters is__________?

• 1. 3.34
• 2. 2
• 3. 4.5
• 4. 5.5

Question: The circumferences of two circles are 264 meters and 352 meters. Find the difference between the areas of the larger and the smaller circles.

• 1. 4192 sq m
• 2. 4304 sq m
• 3. 4312 sq m
• 4. 4360 sq m