Maths Practice Question and Answer

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Answer : 5. "489 "

Q:

The curved surface area of a cylindrical pillar is 264 square meter and its volume is 924 cubic meters. Find the ratio of its diameter to its height.

2870 0

  • 1
    7 : 6
    Correct
    Wrong
  • 2
    3 : 7
    Correct
    Wrong
  • 3
    7 : 3
    Correct
    Wrong
  • 4
    6 : 7
    Correct
    Wrong
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Answer : 3. "7 : 3"

Q:

In an election between two candidates, 75% of the voters cast their votes, out of which 2% votes were declared invalid. A candidate got 9261 votes which were 75% of the valid votes. The total number of voters enrolled in that election was:

2869 0

  • 1
    16000
    Correct
    Wrong
  • 2
    16400
    Correct
    Wrong
  • 3
    16800
    Correct
    Wrong
  • 4
    18000
    Correct
    Wrong
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Answer : 3. "16800"

Q: A shopkeeper earns a profit of shopkeeper earns a profit of 25% after giving a discount of 20%. Find the ratio between the cost price and the marked price. 2868 1

  • 1
    25:16
    Correct
    Wrong
  • 2
    16:25
    Correct
    Wrong
  • 3
    16:27
    Correct
    Wrong
  • 4
    27:10
    Correct
    Wrong
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Answer : 2. "16:25"

Q:

If $$ m+{1\over m-2}=0$$ then the value of $$ (m-2)^{12}+{1\over{(m-2)}^{12}} $$ is.

2867 2

  • 1
    1
    Correct
    Wrong
  • 2
    0
    Correct
    Wrong
  • 3
    2
    Correct
    Wrong
  • 4
    -1
    Correct
    Wrong
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Answer : 3. "2"

Q: The difference between C.I and S.I is Rs 200 at 5% for 2 years. Find the principal? 2865 2

  • 1
    80,000
    Correct
    Wrong
  • 2
    40,000
    Correct
    Wrong
  • 3
    20,000
    Correct
    Wrong
  • 4
    10,000
    Correct
    Wrong
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Answer : 1. "80,000"
Explanation :

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Q:

Simplify the following equations.
1 ÷[{p2/(p+6)}+{6p/(p+6)}]

2864 0

  • 1
    $$ {1\over p}$$
    Correct
    Wrong
  • 2
    $$ {1\over (p+6)}$$
    Correct
    Wrong
  • 3
    p+6
    Correct
    Wrong
  • 4
    p
    Correct
    Wrong
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Answer : 1. "$$ {1\over p}$$"

Q: The simple interest on a sum of money is $${4\over 9}$$of the principal and the number of years is equal to the rate percent per annum. The rate per annum is : 2856 0

  • 1
    5%
    Correct
    Wrong
  • 2
    $$6{2\over3}\%$$
    Correct
    Wrong
  • 3
    6%
    Correct
    Wrong
  • 4
    $$7{1\over5}\%$$
    Correct
    Wrong
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Answer : 2. "$$6{2\over3}\%$$"

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