Maths Practice Question and Answer

Q:

A, B , C can finish a work in 10, 12, and 15 days respectively. They start working together. If B stops after 2 days, how long would it take A and C to finish the remaining work

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  • 1
    3 days
    Correct
    Wrong
  • 2
    $$ {3{8\over 11}}\ days$$
    Correct
    Wrong
  • 3
    $$ {2{6\over 11}}\ days$$
    Correct
    Wrong
  • 4
    $$ {3{6\over 11}}\ days$$
    Correct
    Wrong
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Answer : 1. "3 days "

Q:

If the perimeter of a rectangle is 24cm with length being twice as its breadth, find its area.

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  • 1
    24 sq.cm
    Correct
    Wrong
  • 2
    32 sq.cm
    Correct
    Wrong
  • 3
    28 sq.cm
    Correct
    Wrong
  • 4
    36 sq.cm
    Correct
    Wrong
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Answer : 2. "32 sq.cm "

Q:

The compound interest on Rs.30,000 at 7% per annum is Rs. 4347. The period (in years) is:

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

We know that
$$ {A=P{(1+{r\over 100}})}^{t}$$

Putting the value we can get answer 

Q:

Directions-Study the following diagram and answer the four questions.

The total no. of students on whom this survey was made is

1608 0

  • 1
    190
    Correct
    Wrong
  • 2
    200
    Correct
    Wrong
  • 3
    220
    Correct
    Wrong
  • 4
    210
    Correct
    Wrong
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Answer : 4. "210"

Q:

The circle-graph given here shows the spending of a country on various sports during a particular year. Study the graph carefully and answer the question given below it.


What percent of the total spending is spent on Tennis?

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  • 1
    $$12{1\over 2}\%$$
    Correct
    Wrong
  • 2
    $$22{1\over 2}\%$$
    Correct
    Wrong
  • 3
    25 %
    Correct
    Wrong
  • 4
    45 %
    Correct
    Wrong
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Answer : 1. " $$12{1\over 2}\%$$ "

Q:

A is inversely proportional to square of B whereas directly proportional to C. Value of A was 27 when value of B was 4 and value of C was 6. Find the value of A when value of B will be 3 and value of C will be 8.

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  • 1
    64
    Correct
    Wrong
  • 2
    128
    Correct
    Wrong
  • 3
    32
    Correct
    Wrong
  • 4
    192
    Correct
    Wrong
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Answer : 1. "64"

Q:

An angle is four times its complementary angle. What is the measure of the angle?

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  • 1
    72°
    Correct
    Wrong
  • 2
    108°
    Correct
    Wrong
  • 3
    130°
    Correct
    Wrong
  • 4
    60°
    Correct
    Wrong
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Answer : 1. "72°"

Q:

Direction: Study the following graph and answer the questions based on it.

In which year was the percentage increase in production as compared to the previous year, the maximum? 

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  • 1
    2002
    Correct
    Wrong
  • 2
    2001
    Correct
    Wrong
  • 3
    1996
    Correct
    Wrong
  • 4
    1997
    Correct
    Wrong
  • 5
    None of these
    Correct
    Wrong
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Answer : 3. "1996"

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