Maths Practice Question and Answer

Q:

An item when sold for ₹ 1,690 earned 30% profit on the cost price. Then the cost price is 

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  • 1
    ₹ 1,300
    Correct
    Wrong
  • 2
    ₹ 130
    Correct
    Wrong
  • 3
    ₹ 507
    Correct
    Wrong
  • 4
    ₹ 630
    Correct
    Wrong
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Answer : 1. "₹ 1,300 "
Explanation :

Q:

The average of two numbers is 62. If 2 is added to the smaller number, the ratio of the numbers becomes 1 : 2. What is the difference between numbers?

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  • 1
    62
    Correct
    Wrong
  • 2
    40
    Correct
    Wrong
  • 3
    84
    Correct
    Wrong
  • 4
    44
    Correct
    Wrong
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Answer : 4. "44"

Q:

By selling an article for Rs. 600 there is a profit of 20%. What is the cost price of the article?

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  • 1
    600
    Correct
    Wrong
  • 2
    457
    Correct
    Wrong
  • 3
    244
    Correct
    Wrong
  • 4
    500
    Correct
    Wrong
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Answer : 4. "500"

Q:

In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. x2 + 7x + 10 = 0

II. y2 + 5y + 4 = 0

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  • 1
    x > y
    Correct
    Wrong
  • 2
    x < y
    Correct
    Wrong
  • 3
    x ≥ y
    Correct
    Wrong
  • 4
    x ≤ y
    Correct
    Wrong
  • 5
    x = y or relationship between x and y cannot be established.
    Correct
    Wrong
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Answer : 5. "x = y or relationship between x and y cannot be established."

Q:

There is a loss of 25% on selling an article for Rs 300, then what is the cost price of the article?

1163 0

  • 1
    400
    Correct
    Wrong
  • 2
    500
    Correct
    Wrong
  • 3
    600
    Correct
    Wrong
  • 4
    300
    Correct
    Wrong
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Answer : 1. "400"

Q:

$$ secA(secA+tanA)(1-sinA)\over (cosec^2A-1)sin^2A$$ is equal to:

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  • 1
    cotA
    Correct
    Wrong
  • 2
    cosA
    Correct
    Wrong
  • 3

       sec2A

    Correct
    Wrong
  • 4

      cos2A

    Correct
    Wrong
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Answer : 3. "

   sec2A

"

Q:

Direction: The following table shows the number of students of 7 colleges A, B, C, D, E, F, G participating in extra-curricular activities :

The difference of the number of students in activity IV and the number of students in activity III is – 

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  • 1
    111
    Correct
    Wrong
  • 2
    153
    Correct
    Wrong
  • 3
    197
    Correct
    Wrong
  • 4
    217
    Correct
    Wrong
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Answer : 2. "153"

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