Aptitude Practice Question and Answer

Q: Rs 1250 becomes Rs 1352 after a certain period at the rate of 4% per annum. Find out the period of investment, if interest add in principal after every year? 2117 0

  • 1
    4 years
    Correct
    Wrong
  • 2
    2 years
    Correct
    Wrong
  • 3
    3 years
    Correct
    Wrong
  • 4
    5 years
    Correct
    Wrong
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Answer : 2. "2 years"
Explanation :

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Q:

The radius of a semicircle is 35 cm, find its area and perimeter.

2117 0

  • 1
    1040 sq.cm and 140 cm
    Correct
    Wrong
  • 2
    1925 sq.cm and 180 cm
    Correct
    Wrong
  • 3
    1890 sq.cm and 90 cm
    Correct
    Wrong
  • 4
    1730 sq.cm and 90 cm/
    Correct
    Wrong
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Answer : 2. "1925 sq.cm and 180 cm "

Q:

In how many different ways can the letters of the word ‘STRESS’ be arranged?

2117 0

  • 1
    360
    Correct
    Wrong
  • 2
    240
    Correct
    Wrong
  • 3
    720
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 4. "120"

Q:

A boat running downstreams covers a distance of 30 kms in 2 hours. While coming back the boat takes 6 hours to cover the same distance. If the speed  of the current is half that of the boat, what is the speed of that boat in kmph?

2117 0

  • 1
    15
    Correct
    Wrong
  • 2
    5
    Correct
    Wrong
  • 3
    10
    Correct
    Wrong
  • 4
    Cannot be determined
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "10"

Q:

The value of $$ {4^{10+n}}.{16^{3n-4}}\over4^{7n}$$ is:

2115 0

  • 1
    8
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    16
    Correct
    Wrong
  • 4
    4
    Correct
    Wrong
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Answer : 3. "16"

Q:

The length of the chord of a circle is 8 cm and perpendicular distance between center and the chord is 3 cm. Then the radius of the circle is equal to:

2115 0

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

Q:

If tan (11 θ)=cot (7θ), then what is the value of sin2(6 θ) + Sec2 (9 θ) + cosec2(12 θ)?

2115 0

  • 1
    $$ {23\over 6}$$
    Correct
    Wrong
  • 2
    $$ {35\over 12}$$
    Correct
    Wrong
  • 3
    $$ {31\over 12}$$
    Correct
    Wrong
  • 4
    $$ {43\over 12}$$
    Correct
    Wrong
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Answer : 4. "$$ {43\over 12}$$"

Q:

If sec x + cos x = 2, then the value of sec16 x + cos16 x will be-

2114 0

  • 1
    2
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    √3
    Correct
    Wrong
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Answer : 1. "2 "

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