Aptitude Practice Question and Answer

Q:

A prism with a right triangular base is 25 cm high. If the shorter sides of the triangle are in the ratio of 1 : 2 and the volume of the prism is 100 cm3 , what is the length of the longest side of the triangle?

781 0

  • 1
    √5 cm
    Correct
    Wrong
  • 2
    2√5 cm
    Correct
    Wrong
  • 3
    5√2 cm
    Correct
    Wrong
  • 4
    5 cm
    Correct
    Wrong
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Answer : 2. "2√5 cm "

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Answer : 3. "25% "

Q:

If sin 3A=cos(A+100), where 3A is an acute angel, then what is the value of $$2cosec{3A\over2}+6sin^23A-{3\over 2}tan^2\ 3A$$?

780 0

  • 1
    4
    Correct
    Wrong
  • 2
    $$7\over 4$$
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    $$17\over 2$$
    Correct
    Wrong
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Answer : 1. "4"

Q:

△ABC ∼ △DEF. If the areas of △ABC and △DEF are 100 cm2 and 81 cm2, respectively and the altitude of △DEF is 6.3 cm, then the corresponding altitude of △ABC is:

778 0

  • 1
    9 cm
    Correct
    Wrong
  • 2
    5.6 cm
    Correct
    Wrong
  • 3
    7 cm
    Correct
    Wrong
  • 4
    8.4 cm
    Correct
    Wrong
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Answer : 3. "7 cm "

Q:

Area of a equilateral triangle is 400√3 sq.m. then perimeter is-

775 0

  • 1
    135 meter
    Correct
    Wrong
  • 2
    120 meter
    Correct
    Wrong
  • 3
    150 meter
    Correct
    Wrong
  • 4
    90 meter
    Correct
    Wrong
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Answer : 2. "120 meter "

Q:

The perimeters of ΔABC and ΔDEF are 43.2 cm and 28.8 cm, respectively, and ΔABC ~ ΔDEF. If DE = 12 cm, then the length of AB is:

775 0

  • 1
    18.4 cm
    Correct
    Wrong
  • 2
    20 cm
    Correct
    Wrong
  • 3
    18 cm
    Correct
    Wrong
  • 4
    20.4 cm
    Correct
    Wrong
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Answer : 3. "18 cm"

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Answer : 5. "8%"

Q:

A cylindrical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of the conical heap is 24 cm, what is the radius of its base? 

773 0

  • 1
    12 cm
    Correct
    Wrong
  • 2
    24 cm
    Correct
    Wrong
  • 3
    36 cm
    Correct
    Wrong
  • 4
    48 cm
    Correct
    Wrong
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Answer : 3. "36 cm "

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