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Quantitative Aptitude

VOLUME AND SURFACE AREA MCQs

Total Questions : 820 | Page 3 of 82 pages
Question 21.

  1. A cuboid is 25 cm long, 16 cm broad and 20 cm high. The number of litres of a liquid that it will hold is

  1.    8
  2.    18
  3.    28
  4.    38
 Discuss Question
Answer: Option A. -> 8
Question 22.

  1. A model in the form of a cuboid is made of rods which form its skeleton. The cuboid has dimensions 4 cm × 5 cm × 6 cm. The total length of the rods used is

  1.    40 cm
  2.    50 cm
  3.    60 cm
  4.    70 cm
 Discuss Question
Answer: Option C. -> 60 cm
Question 23.

  1. A cuboidal model is made of wires which form its edges. The cuboid has a square base of side 4 cm and a height of 5 cm. The total length of the wire used is

  1.    32 cm
  2.    42 cm
  3.    52 cm
  4.    62 cm
 Discuss Question
Answer: Option C. -> 52 cm
Question 24.

  1. A cuboid has square base of side x cm and a height of y cm. Formula for its volume is

  1.    V = x2 y cm3
  2.    V2 = x y cm3
  3.    V = x y2 cm3
  4.     none of these
 Discuss Question
Answer: Option A. -> V = x2 y cm3
Question 25.

  1. Six cubes, each with 12 cm edge are joined end-to-end. Find the surface area of the resulting cuboid.

  1.    2744 cm2
  2.    3744 cm2
  3.    4744 cm2
  4.    5744 cm2
 Discuss Question
Answer: Option B. -> 3744 cm2
Question 26.

  1. Water in a canal 30 dm wide and 12 dm deep is flowing with a velocity of 100 km/hour. How much area will it irrigate in 30 minutes if 8 cm of standing water is desired?

  1.    2250000 m2
  2.    2500000 m2
  3.    2550000 m2
  4.     none of these
 Discuss Question
Answer: Option A. -> 2250000 m2
Question 27.

  1. The dimensions of a rectangular box are in the ratio of 2 : 3 : 4 and the difference between the cost of covering it with sheets of paper at the rate of Rs 4 and Rs 4.50 per sq. metre is Rs 416. Find the dimensions of the box.

  1.    8 m x 12 m x 16 m
  2.    12 m x 8 m x 16 m
  3.    8 m x 16 m x 12 m
  4.    none of these
 Discuss Question
Answer: Option A. -> 8 m x 12 m x 16 m
Question 28.

  1. The diagonal of a cubical box is  \(\sqrt{300}\)cm. Find its volume and surface area.

  1.    100 cm3 , 60 cm2
  2.    1000 cm3 , 600 cm2
  3.    100 cm3 , 6000 cm2
  4.     none of these
 Discuss Question
Answer: Option B. -> 1000 cm3 , 600 cm2
Question 29.

  1. The total surface area of a cube is 32\(\frac{2}{3}\)m2. Find the volume of the cube.

  1.    12.70 m3
  2.    12.77 m3
  3.    17.12
  4.     none of these
 Discuss Question
Answer: Option A. -> 12.70 m3
Question 30.

  1. The diagonal of a cube is 8\(\sqrt{3}\)cm. Find its surface area.

  1.    350 cm2
  2.    364 cm2
  3.    468 cm2
  4.    none of thes
 Discuss Question
Answer: Option A. -> 350 cm2

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