- 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