Maths Questions and Answers Practice Question and Answer

Q: Ratio between the time taken by A and B to complete a certain work is 4:5. If together they can complete a work in 20 days, in how many days can A alone complete it? 1106 0

  • 1
    30
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    36
    Correct
    Wrong
  • 4
    45
    Correct
    Wrong
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Answer : 3. "36"

Q:

Find out the value of a when $$x^3+ax^2+ 2x+3 $$ is divisible by (x+1)?

1079 0

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

Q:

Perimeter of rectangle with length 76 meter and breadth 48 meter: 

1073 0

  • 1
    240 meter
    Correct
    Wrong
  • 2
    124 meter
    Correct
    Wrong
  • 3
    248 meter
    Correct
    Wrong
  • 4
    126 meter
    Correct
    Wrong
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Answer : 3. "248 meter"

Q:

What is the predecessor of 218010?

1005 0

  • 1
    228010
    Correct
    Wrong
  • 2
    218011
    Correct
    Wrong
  • 3
    218009
    Correct
    Wrong
  • 4
    218000
    Correct
    Wrong
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Answer : 3. "218009 "

Q:

If x1 and x2 are the roots of the equations bx2-ax + log2my=0 such that x12=a2+x22 then evaluate the roots in terms of a and b.

979 0

  • 1
    $$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$
    Correct
    Wrong
  • 2
    $$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-a^{2})}$$
    Correct
    Wrong
  • 3
    $$ {a\over2ab}{(b^{2}-1)},{a\over2ab}{(1-b^{2})}$$
    Correct
    Wrong
  • 4
    $$ {a\over2b}{(b^{2}+1)},{a\over2b}{(1-b^{2})}$$
    Correct
    Wrong
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Answer : 1. "$$ {a\over2ab}{(a^{2}+1)},{a\over2ab}{(1-b^{2})}$$"

Q:

Denominator of a rational number exceeds its numerator by 8. If 17 is added to the numerator and 1 is subtracted from denominator we get the rational number 3/2 then the rational number is

914 0

  • 1
    13/21
    Correct
    Wrong
  • 2
    21/13
    Correct
    Wrong
  • 3
    13/7
    Correct
    Wrong
  • 4
    7/13
    Correct
    Wrong
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Answer : 1. "13/21"

Q:

A circle has two parallel chords of lengths 6cm and 8 cm. If the chords are 1cm apart and the centre is on the same side of the chords, and then find the length of diameter of the circle.

758 0

  • 1
    12 cm
    Correct
    Wrong
  • 2
    10 cm
    Correct
    Wrong
  • 3
    5 cm
    Correct
    Wrong
  • 4
    6 cm
    Correct
    Wrong
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Answer : 2. "10 cm "

Q:

If 32 is removed from the data: 20, 25, 28, 32, 38, 45, 48, 52, then the median s increaser by?

665 0

  • 1
    1
    Correct
    Wrong
  • 2
    1.5
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    3
    Correct
    Wrong
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Answer : 4. "3 "

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