Maths Practice Question and Answer

Q: If A:B:C=2:3:4, then the ratiowill be 2997 1

  • 1
    8:9:16
    Correct
    Wrong
  • 2
    8:9:12
    Correct
    Wrong
  • 3
    8:9:24
    Correct
    Wrong
  • 4
    4:9:16
    Correct
    Wrong
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Answer : 3. "8:9:24 "

Q:

Direction : What value should come in place question mark(?) in the following questions?

25 % of 420 - ? % of 140=77

2990 0

  • 1
    25
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    20
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "20"

Q:

Find k, if the line 2x - 3y = 11 is perpendicular to the line 3x + ky = -4? 

2981 0

  • 1
    -1
    Correct
    Wrong
  • 2
    2
    Correct
    Wrong
  • 3
    -2
    Correct
    Wrong
  • 4
    1
    Correct
    Wrong
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Answer : 2. "2"

Q:

A tower standing on a horizontal plane subtends a certain angle at a point 160 m apart from the foot of the tower. On advancing 100 m towards it, the tower is found to subtend and angle twice as before. The height of the tower is

2980 1

  • 1
    80 m
    Correct
    Wrong
  • 2
    100 m
    Correct
    Wrong
  • 3
    160 m
    Correct
    Wrong
  • 4
    200 m
    Correct
    Wrong
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Answer : 1. "80 m"

Q: A sum of Rs. 1600 gives a simple interest of Rs. 252 in 2 year and 3 months. The rate of interest per annum is : 2974 0

  • 1
    Correct
    Wrong
  • 2
    8%
    Correct
    Wrong
  • 3
    7%
    Correct
    Wrong
  • 4
    6%
    Correct
    Wrong
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Answer : 3. "7%"
Explanation :

Q:

The product of the ages of Swati and Aparna is 120. If thrice the age of Aparna is more than Swati's age by 2 years, fund the age of Swati.

2967 0

  • 1
    18
    Correct
    Wrong
  • 2
    20
    Correct
    Wrong
  • 3
    24
    Correct
    Wrong
  • 4
    16
    Correct
    Wrong
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Answer : 1. "18"

Q:

If the least common multiple of two numbers, 1728 and K is 5184, then how many values of K are possible? 

2966 0

  • 1
    6
    Correct
    Wrong
  • 2
    7
    Correct
    Wrong
  • 3
    11
    Correct
    Wrong
  • 4
    8
    Correct
    Wrong
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Answer : 2. "7"

Q:

What will come in place of question mark ( ? ) in the following series?
656, 352, 200, 124, 86, ? 

2960 0

  • 1
    67
    Correct
    Wrong
  • 2
    59
    Correct
    Wrong
  • 3
    62
    Correct
    Wrong
  • 4
    57
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "67 "

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