Class IX

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:
  1. 49 m2
  2. 50 m2
  3. 53.5 m2
  4. 55 m2
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
  1. 3.6 kg
  2. 3.696 kg
  3. 36 kg
  4. 36.9 kg
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:
  1. 90 cm
  2. . 1 dm
  3. 1 m
  4. D. 1.1 cm
How many bricks, each measuring 25 cm x 11.25 cm x 6 cm, will be needed to build a wall of 8 m x 6 m x 22.5 cm?
  1. 5600
  2. . 6000
  3. 6400
  4. D. 7200
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:
  1. 12 kg
  2. 60 kg
  3. 72 kg
  4. 96 kg
Time Elapsed

HR : MIN : SEC
Question Answered
0
Score out of 100
0

Get Started!

we provide the best
services to our students

AmazingCounters.com Views

 

LKG - 12th

Rs 1,999  Annual
Plan
TOP