Maths Practice Question and Answer

Q:

A person covered some distance at some speed. If he traveled a distance of 3 km / h more, it took him 40 minutes less time. If he had covered the distance at a speed of 2 km / h less, he would have taken 40 minutes more. The distance (in km) is

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  • 1
    20
    Correct
    Wrong
  • 2
    35
    Correct
    Wrong
  • 3
    $$ {36{2\over3}}$$
    Correct
    Wrong
  • 4
    40
    Correct
    Wrong
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Answer : 4. "40"

Q:

If 30% of a = b, then b% of 50 is the same as:

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  • 1
    5% of a
    Correct
    Wrong
  • 2
    10% of a
    Correct
    Wrong
  • 3
    15% of a
    Correct
    Wrong
  • 4
    12% of a
    Correct
    Wrong
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Answer : 3. "15% of a"

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Answer : 5. "None of these"

Q:

ABC is an equilateral triangle with side 12 cm and AD is the median. Find the length of GD if G is the centroid of ΔАВС.

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

Q:

If the price of sugar is increased by 20%, then by what percent should a housewife reduce its consumption so that no expenditure on it increases?

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  • 1
    16
    Correct
    Wrong
  • 2
    $$16{2\over3}$$
    Correct
    Wrong
  • 3
    17
    Correct
    Wrong
  • 4
    $$17{5\over3}$$
    Correct
    Wrong
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Answer : 2. "$$16{2\over3}$$"

Q:

Find the smallest integer number which, when subtracted from both the numbers in the ratio 5 : 6, is less than the ratio 17 : 22.

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

Q:

The value of $$ {tan\ 40°+tan\ 20° +\sqrt{3}\ tan20° tan40°}$$?

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  • 1
    $$ {\sqrt{12}}$$
    Correct
    Wrong
  • 2
    $$ {1\over{\sqrt{3}}}$$
    Correct
    Wrong
  • 3
    1
    Correct
    Wrong
  • 4
    $$ {\sqrt{3}}$$
    Correct
    Wrong
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Answer : 4. "$$ {\sqrt{3}}$$"

Q:

A man bought an old typewriter for ₹1200 and spent ₹200 on its repair. He sold it for ₹1680. His profit percent is :

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  • 1
    8%
    Correct
    Wrong
  • 2
    16%
    Correct
    Wrong
  • 3
    20%
    Correct
    Wrong
  • 4
    10%
    Correct
    Wrong
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Answer : 3. "20% "
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