Maths Questions and Answers Practice Question and Answer

Q: P takes 5 more hours to complete a work in comparison to Q. They work together for 6 hours. In how many days can Q complete the same work. 2664 1

  • 1
    8 hours
    Correct
    Wrong
  • 2
    10 hours
    Correct
    Wrong
  • 3
    12 hours
    Correct
    Wrong
  • 4
    15 hours
    Correct
    Wrong
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Answer : 4. "15 hours"

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.

988 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: A, B and C together can do a work in 8 days if A and B can do it in 20 and 30 days respectively. In how many days C alone can complete it? 3622 2

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

Q:

What is the Area of the given Field book.

1994 0

  • 1
    845
    Correct
    Wrong
  • 2
    842
    Correct
    Wrong
  • 3
    850
    Correct
    Wrong
  • 4
    848
    Correct
    Wrong
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Answer : 2. "842"

Q:

The formula is a square of 35 with the multiple method.

1676 0

  • 1
    3 * 4/ 5*5
    Correct
    Wrong
  • 2
    2*3/5*5
    Correct
    Wrong
  • 3
    $$ {35-05/(05)^{2}}$$
    Correct
    Wrong
  • 4
    $$ {3(30+5) 5^{2}} $$
    Correct
    Wrong
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Answer : 1. "3 * 4/ 5*5"

Q:

The coordinates of the incentre of the triangle whose sides are 3x – 4y = 0, 5x + 12y = 0 and y – 15 = 0, are

2744 0

  • 1
    (–1, 8)
    Correct
    Wrong
  • 2
    (1,8)
    Correct
    Wrong
  • 3
    (2, 8)
    Correct
    Wrong
  • 4
    (2, –8)
    Correct
    Wrong
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Answer : 1. "(–1, 8)"

Q:

Geeta weighs 11.235 kg . Her sister weighs 1.4 times her weight . Find their combined weight ? 

1348 0

  • 1
    15.729 kg
    Correct
    Wrong
  • 2
    25.964 kg
    Correct
    Wrong
  • 3
    26.964 kg
    Correct
    Wrong
  • 4
    26.946 kg
    Correct
    Wrong
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Answer : 3. "26.964 kg "

Q:

What is the reflection of the point (5,-2) in the line y=-1?

1766 0

  • 1
    ( 7,-2)
    Correct
    Wrong
  • 2
    (-5,0)
    Correct
    Wrong
  • 3
    ( 5,0)
    Correct
    Wrong
  • 4
    ( -7,9)
    Correct
    Wrong
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Answer : 2. "(-5,0)"

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