Measurement Question and Answer Practice Question and Answer

Q:

∆ ABC  is right angle at B. If m∠C = 450 Then find the value of ( cosec A - √3) = ?

1005 0

  • 1
    $${{4}- \sqrt{3}}\over 2 $$
    Correct
    Wrong
  • 2
    $$\sqrt{2}-\sqrt{3} $$
    Correct
    Wrong
  • 3
    $${- \sqrt{3}}\over 2 $$
    Correct
    Wrong
  • 4
    $${{6}- \sqrt{1}}\over 3 $$
    Correct
    Wrong
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Answer : 2. "$$\sqrt{2}-\sqrt{3} $$"

Q:

A semi-circular sheet of metal of diameter 28 cm. is bent into an open conical cup. The depth of the cup is approximately 

999 0

  • 1
    15 cm.
    Correct
    Wrong
  • 2
    14 cm.
    Correct
    Wrong
  • 3
    11 cm.
    Correct
    Wrong
  • 4
    12 cm.
    Correct
    Wrong
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Answer : 4. "12 cm. "

Q:

PA and PB are two tangents to a circle with center o from a point P outside the circle. A and B are points on the circle. If ∠OAB = 35° than ∠APB is equal to: 

991 0

  • 1
    $$70^0$$
    Correct
    Wrong
  • 2
    $$20^0$$
    Correct
    Wrong
  • 3
    $$25^0$$
    Correct
    Wrong
  • 4
    $$35^0$$
    Correct
    Wrong
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Answer : 1. "$$70^0$$"

Q:

If the length of one side and the diagonal of a rectangle are 7 cm and 25 cm respectively, then find its perimeter (in cm).

926 0

  • 1
    124
    Correct
    Wrong
  • 2
    36
    Correct
    Wrong
  • 3
    62
    Correct
    Wrong
  • 4
    72
    Correct
    Wrong
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Answer : 3. "62 "

Q:

A copper wire is bent in the form of an equilateral triangle and has area 121√3 cm2 . If the same wire is bent into the form of a circle, the area (in cm2) enclosed by the wire is (Take pi= 22 /7)

926 0

  • 1
    322.5$$cm^2$$
    Correct
    Wrong
  • 2
    286.5 $$cm^2$$
    Correct
    Wrong
  • 3
    388.5 $$cm^2$$
    Correct
    Wrong
  • 4
    346.5$$cm^2$$
    Correct
    Wrong
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Answer : 4. "346.5$$cm^2$$ "

Q:

In ∆ ABC measure of angle B is 900. If cos A = $$ 5\over 13 $$ and AB = 10 Then what is the length of side BC ?

840 0

  • 1
    26
    Correct
    Wrong
  • 2
    24
    Correct
    Wrong
  • 3
    25
    Correct
    Wrong
  • 4
    5
    Correct
    Wrong
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Answer : 2. "24"

Q:

The lateral surface area of a cylinder is 792cm2. If its height is 14cm, then its volume (in cm3) is? [Take π = 22/7 ]

753 0

  • 1
    2564
    Correct
    Wrong
  • 2
    3929
    Correct
    Wrong
  • 3
    1243
    Correct
    Wrong
  • 4
    3564
    Correct
    Wrong
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Answer : 4. "3564"

Q:

If the curved surface area of a cylinder is 126π cmand its height is 14 cm, what is the volume of the cylinder?

691 0

  • 1
    $$283{1\over 2}π \ cm^3$$
    Correct
    Wrong
  • 2
    $$137{1\over 2}π \ cm^3$$
    Correct
    Wrong
  • 3
    $$128{1\over 2}π \ cm^3$$
    Correct
    Wrong
  • 4
    $$125{1\over 2}π \ cm^3$$
    Correct
    Wrong
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Answer : 1. "$$283{1\over 2}π \ cm^3$$"

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