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Total Questions : 2556 | Page 63 of 256 pages
Question 621.  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 into it. the mass of the man is :
  1.    60 kg
  2.    70 kg
  3.    80 kg
  4.    90 kg
 Discuss Question
Answer: Option A. -> 60 kg
Explanation :
Question 622.  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 into it. the mass of the man is :
  1.    60 kg
  2.    70 kg
  3.    80 kg
  4.    90 kg
 Discuss Question
Answer: Option A. -> 60 kg
Explanation :
Question 623.  a cistern 6 m long and 4 m wide contains water up to a breadth of 1 m 25 cm. find the total area of the wet surface.
  1.    41 m square
  2.    44 m square
  3.    46 m square
  4.    49 m square
 Discuss Question
Answer: Option D. -> 49 m square
Explanation :
Question 624.  a swimming pool 9 m wide and 12 m long is 1 m deep on the shallow side and 4 m deep on the deeper side. its volume is:
  1.    220
  2.    270
  3.    280
  4.    320
 Discuss Question
Answer: Option B. -> 270
Explanation :
Question 625.  the perimeter of one face of a cube is 20 cm. its volume will be:
  1.     125 cm cube
  2.    140 cm cube
  3.    150 cm cube
  4.    165 cm cube
 Discuss Question
Answer: Option A. ->  125 cm cube
Explanation :
Question 626.  how many bricks, each measuring 25cm*11.25cm*6cm, will be needed to build a wall 8m*6m*22.5m
  1.    6100
  2.    6400
  3.    6600
  4.    6800
 Discuss Question
Answer: Option B. -> 6400
Explanation :
Question 627.  the area of a parallelogram is 24 square centimeters and the base is 4 centimeters. find the height.
  1.    6 cm
  2.    17 cm
  3.    21 cm
  4.    25 cm
 Discuss Question
Answer: Option A. -> 6 cm
Explanation :
Question 628.  one side of rectangular field is 15 meter and one of its diagonals is 17 meter. then find the area of the field.
  1.    120 m²
  2.    122 m²
  3.    124 m²
  4.    126 m²
 Discuss Question
Answer: Option D. -> 126 m²
Explanation :
Question 629.  find the area of an acute triangle with a base of 15 inches and a height of 4 inches.
  1.    24 in²
  2.    26 in²
  3.    28 in²
  4.    30 in²
 Discuss Question
Answer: Option D. -> 30 in²
Explanation :
Question 630.  the ratio between the length and the breadth of a rectangular park is 3 : 2. if a man cycling along the boundary of the park at the speed of 12 km/hr completes one round in 8 minutes, then the area of
  1.    146800 m²
  2.    153600 m²
  3.    164432 m²
  4.    170003 m²
 Discuss Question
Answer: Option B. -> 153600 m²
Explanation :

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