You are using an out of date browser. It may not display this or other websites correctly.

You should upgrade or use an alternative browser.

You should upgrade or use an alternative browser.

- Thread starter poornima lagadapati
- Start date

Answer is option A

A. 75 cu. m

B. 750 cu. m

C. 7500 cu. m

D. 75000 cu. m

A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

A. 720

B. 900

C. 1200

D. 1800

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

A. 84

B. 90

C. 168

D. 336

1. B 2. C

A. 75 cu. m

B. 750 cu. m

C. 7500 cu. m

D. 75000 cu. m

A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:

A. 720

B. 900

C. 1200

D. 1800

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

A. 84

B. 90

C. 168

D. 336

A. 3.6 kg

B. 3.696 kg

C. 36 kg

D. 36.9 kg

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:

A. 12 kg

B. 60 kg

C. 72 kg

D. 96 kg

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 m3, then the rise in the water level in the tank will be:

A. 20 cm

B. 25 cm

C. 35 cm

D. 50 cm

1. B 2. B

A. 3.6 kg

B. 3.696 kg

C. 36 kg

D. 36.9 kg

A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets on it. The mass of the man is:

A. 12 kg

B. 60 kg

C. 72 kg

D. 96 kg

50 men took a dip in a water tank 40 m long and 20 m broad on a religious day. If the average displacement of water by a man is 4 m3, then the rise in the water level in the tank will be:

A. 20 cm

B. 25 cm

C. 35 cm

D. 50 cm

A. 30 m2

B. 40 m2

C. 60 m2

D. 80 m2

A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

A. 49 m2

B. 50 m2

C. 53.5 m2

D. 55 m2

A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:

A. 4830

B. 5120

C. 6420

D. 8960

1. C 2. A

A. 30 m2

B. 40 m2

C. 60 m2

D. 80 m2

A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:

A. 49 m2

B. 50 m2

C. 53.5 m2

D. 55 m2

A metallic sheet is of rectangular shape with dimensions 48 m x 36 m. From each of its corners, a square is cut off so as to make an open box. If the length of the square is 8 m, the volume of the box (in m3) is:

A. 4830

B. 5120

C. 6420

D. 8960

A. 3 : 7

B. 7 : 3

C. 6 : 7

D. 7 : 6

A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:

A. 90 cm

B. 1 dm

C. 1 m

D. 1.1 cm

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

A. 344.35 cm2

B. 462 cm2

C. 498.35 cm2

D. None of these

1. B 2. B

A. 3 : 7

B. 7 : 3

C. 6 : 7

D. 7 : 6

A cistern of capacity 8000 litres measures externally 3.3 m by 2.6 m by 1.1 m and its walls are 5 cm thick. The thickness of the bottom is:

A. 90 cm

B. 1 dm

C. 1 m

D. 1.1 cm

What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

A. 344.35 cm2

B. 462 cm2

C. 498.35 cm2

D. None of these

A. 5600

B. 6000

C. 6400

D. 7200

Option c