Maths Practice Question and Answer

Q:

The two vowels touch each other internally. Their radii are 2 cm and 3 cm. What will be the length of the largest chord of the bigger circle outside the inner circle?

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

Q:

Answer the following questions

The hourly wages of a mason have increased by 25%. Since the increase, the number of hours he works daily has reduced by 16%. If he was earning Rs. 120 per day before the increase, how much (in Rs.) is he earning now?

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  • 1
    124.5
    Correct
    Wrong
  • 2
    115.5
    Correct
    Wrong
  • 3
    126
    Correct
    Wrong
  • 4
    120
    Correct
    Wrong
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Answer : 3. "126"

Q:

Directions: The following Pie Chart shows the export of different food grains from India in 2010. Study the chart and answer the questions:


Of the total export of foodgrains, the percentage of crop B exported is 

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  • 1
    15%
    Correct
    Wrong
  • 2
    20%
    Correct
    Wrong
  • 3
    18%
    Correct
    Wrong
  • 4
    10%
    Correct
    Wrong
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Answer : 2. "20%"

Q:

A smaller circle touches a bigger circle internally and also passes through the center 'O' of the bigger circle. If the area of the smaller circle is 192 $${cm^2}$$, the area of the bigger circle (in $${cm^2}$$) is:

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  • 1
    768
    Correct
    Wrong
  • 2
    384
    Correct
    Wrong
  • 3
    1024
    Correct
    Wrong
  • 4
    720
    Correct
    Wrong
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Answer : 1. "768"

Q:

The ratio of present ages of P and Q is 3:4. The ratio of their ages 27 years hence would be 6:7. If P is 9 years younger than Q then, what would be the present age of Q?

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  • 1
    36 years
    Correct
    Wrong
  • 2
    45 years
    Correct
    Wrong
  • 3
    54 years
    Correct
    Wrong
  • 4
    30 years
    Correct
    Wrong
  • 5
    41 years
    Correct
    Wrong
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Answer : 1. "36 years"

Q:

When 0.090909.....is converted into a fraction, then the result is

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  • 1
    1/11
    Correct
    Wrong
  • 2
    2/33
    Correct
    Wrong
  • 3
    6/11
    Correct
    Wrong
  • 4
    1/33
    Correct
    Wrong
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Answer : 1. "1/11"

Q:

A, B and C alone can complete a piece of work in 24, 36 and 18 days respectively. A started working, after 2 days C joins with them and B joins with them after another 2 days, then find the no of days A, B and C worked together.

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  • 1
    $$ {5{2\over 9}\ days}$$
    Correct
    Wrong
  • 2
    $$ {6{2\over 9}\ days}$$
    Correct
    Wrong
  • 3
    $$ {4{3\over 5}\ days}$$
    Correct
    Wrong
  • 4
    $$ {6{4\over 9}\ days}$$
    Correct
    Wrong
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Answer : 2. "$$ {6{2\over 9}\ days}$$"

Q:

The smallest positive integer, which when multiplied by 392 gives the product a perfect square number, will be :

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  • 1
    5
    Correct
    Wrong
  • 2
    6
    Correct
    Wrong
  • 3
    7
    Correct
    Wrong
  • 4
    None
    Correct
    Wrong
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Answer : 4. "None "

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