Maths Practice Question and Answer

Q: A Train of 100 metre length, crosses a pole in 10 seconds, Find the speed of train in km/h. 1801 0

  • 1
    36
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    54
    Correct
    Wrong
  • 4
    72
    Correct
    Wrong
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Answer : 1. "36"

Q:

The value of $$ {3sin30°-4sin^{3}30°}$$

1801 0

  • 1
    Sin30°
    Correct
    Wrong
  • 2
    Cos60°
    Correct
    Wrong
  • 3
    sin90°
    Correct
    Wrong
  • 4
    Cos90°
    Correct
    Wrong
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Answer : 3. "sin90°"

Q:

A shopkeeper increases the price of an object by 40 % and then sells it at 25 % discount on the marked price. If the selling price of such an object be ₹ 2100, its cost price for the shopkeeper was? 

1800 0

  • 1
    3000
    Correct
    Wrong
  • 2
    1500
    Correct
    Wrong
  • 3
    1750
    Correct
    Wrong
  • 4
    2000
    Correct
    Wrong
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Answer : 4. "2000 "

Q:

Study the following bar chart and answer the questions carefully.

What is the absolute change in overall sales turnover of the five companies together between 2001 - 2002 and 2002 - 2003 ?

1800 0

  • 1
    712.43
    Correct
    Wrong
  • 2
    142.48
    Correct
    Wrong
  • 3
    683.53
    Correct
    Wrong
  • 4
    655.56
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 1. "712.43"

Q: In a rhombus ABCD, ∠A=60º and AB=12 cm. Then the diagonal BD is: 1800 0

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

Q:

If  $${3-5x\over 2x}+{3-5y\over 2y}+{3-5z\over 2z}=0$$ then the value of  $${2\over x}+{2\over y}+{2\over z}$$ is:

1799 0

  • 1
    20
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    5
    Correct
    Wrong
  • 4
    15
    Correct
    Wrong
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Answer : 2. "10"

Q:

In an examination, 93% of students passed and 252 failed. The total number of students appearing at the examination was:

1799 0

  • 1
    4200
    Correct
    Wrong
  • 2
    3850
    Correct
    Wrong
  • 3
    3950
    Correct
    Wrong
  • 4
    3600
    Correct
    Wrong
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Answer : 4. "3600"

Q:

A article is marked at Rs. 65 and a customer buys it for Rs. 56.16 and got two successive discount of 4% and k%. Find the value of   k?

1798 1

  • 1
    5 %
    Correct
    Wrong
  • 2
    7%
    Correct
    Wrong
  • 3
    10%
    Correct
    Wrong
  • 4
    9%
    Correct
    Wrong
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Answer : 3. "10%"

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