Maths Practice Question and Answer

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Answer : 2. "320"

Q:

cosA(sec A – cosA)(cotA+tanA)=?

698 0

  • 1
    tan A
    Correct
    Wrong
  • 2
    cot A
    Correct
    Wrong
  • 3
    sec A
    Correct
    Wrong
  • 4
    sin A
    Correct
    Wrong
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Answer : 1. "tan A"

Q:

When the tax on an article is increased by 20%, its consumption is decreased by 20%. In total tax receipt on this item-

697 0

  • 1
    4% increase
    Correct
    Wrong
  • 2
    4% reduction
    Correct
    Wrong
  • 3
    5% increase
    Correct
    Wrong
  • 4
    There was no difference.
    Correct
    Wrong
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Answer : 2. "4% reduction"

Q:

The radii of the ends of a frustum of a cone 7 cm high are 5 cm and 3 cm. Find its volume correct to one decimal place. (Use π=22/7)

697 0

  • 1
    345.6 cm3
    Correct
    Wrong
  • 2
    359.3 cm3
    Correct
    Wrong
  • 3
    379.3 cm3
    Correct
    Wrong
  • 4
    369.3 cm3
    Correct
    Wrong
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Answer : 2. "359.3 cm3"

Q:

Directions: Study the Bar diagram carefully and answer the questions. 

The Bar diagram shows the trends of foreign direct investment (FDI) into India from all over the World (in Rs. crores). 

 

The sum of FDI of 1992 and 1993 is 

696 0

  • 1
    Rs. 15.58 crores
    Correct
    Wrong
  • 2
    Rs. 15.85 crores
    Correct
    Wrong
  • 3
    Rs. 15.22 crores
    Correct
    Wrong
  • 4
    Rs. 15.65 crores
    Correct
    Wrong
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Answer : 2. "Rs. 15.85 crores "

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Answer : 2. "342"

Q:

A number is first decreased by 10% and then increased by 10%. The number so obtained is 50 less than the original number. The original number is:

696 0

  • 1
    5900
    Correct
    Wrong
  • 2
    5000
    Correct
    Wrong
  • 3
    5500
    Correct
    Wrong
  • 4
    5050
    Correct
    Wrong
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Answer : 2. "5000"

Q:

Angle subtended by a chord AB on the centre of the circle is 140 degree. What will be the angle subtended by the chord AB on the major are of the circle? 

696 0

  • 1
    80 degree
    Correct
    Wrong
  • 2
    60 degree
    Correct
    Wrong
  • 3
    35 degree
    Correct
    Wrong
  • 4
    70 degree
    Correct
    Wrong
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Answer : 4. "70 degree "

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