Maths Practice Question and Answer

Q:

If 4sin2θ=3(1+cosθ),00<θ<900, then what is the value of (2tanθ+4sinθ-secθ)?

1065 0

  • 1
    $$3\sqrt {15}-4$$
    Correct
    Wrong
  • 2
    $$15\sqrt {3}-4$$
    Correct
    Wrong
  • 3
    $$15\sqrt {3}+4$$
    Correct
    Wrong
  • 4
    $$4\sqrt {15}-3$$
    Correct
    Wrong
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Answer : 1. "$$3\sqrt {15}-4$$"

Q:

The ratio of the area of a square to that of the square drawn on its diagonal is

1063 0

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

Q:

When a number x is divided by a divisor it is seen that the divisor = 4 times the quotient=double the remainder. If the remainder is 80 then the value of x is

1062 0

  • 1
    6480
    Correct
    Wrong
  • 2
    9680
    Correct
    Wrong
  • 3
    8460
    Correct
    Wrong
  • 4
    4680
    Correct
    Wrong
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Answer : 1. "6480"

Q:

Speed of a along and against the current are 14 km / hr and 8 kms/hr respectively. The speed of the current is:

1062 0

  • 1
    11km/hr
    Correct
    Wrong
  • 2
    6 km/hr
    Correct
    Wrong
  • 3
    1.33 km/hr
    Correct
    Wrong
  • 4
    3 km/hr
    Correct
    Wrong
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Answer : 4. "3 km/hr"

Q:

$$ {1\over {^3\sqrt{4}+{^3\sqrt{2}}}+1}=a^3\sqrt{4}+ b^3\sqrt{2}+c $$ and a, b, c are rational numbers, then a + b + c is equal to

1061 0

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

Q:

What sum of money must be given as simple interest for six months at 4% per annum in order to earn 150 interest?

1061 0

  • 1
    5000
    Correct
    Wrong
  • 2
    7500
    Correct
    Wrong
  • 3
    10000
    Correct
    Wrong
  • 4
    15000
    Correct
    Wrong
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Answer : 2. "7500"

Q:

The LCM of two numbers is 48. If those numbers are in the ratio 2 : 3 then what will be their sum?

1060 0

  • 1
    28
    Correct
    Wrong
  • 2
    32
    Correct
    Wrong
  • 3
    40
    Correct
    Wrong
  • 4
    64
    Correct
    Wrong
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Answer : 3. "40"

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Answer : 3. "$$3 {1\over 3}$$ %"

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