Maths Practice Question and Answer

Q:

In what ratio should sugar costing ₹40 per kg be mixed with sugar costing ₹48 per kg, so as to earn a profit of 20% by selling the mixture at ₹54 per kg?

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  • 1
    3 : 5
    Correct
    Wrong
  • 2
    4 : 7
    Correct
    Wrong
  • 3
    5 : 8
    Correct
    Wrong
  • 4
    2 : 3
    Correct
    Wrong
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Answer : 1. "3 : 5"

Q:

42 cm a circular wire of diameter is folded into a rectangle whose sides are in the ratio 6: 5. What will be the area of the rectangle?

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  • 1
    900 sq. cm.
    Correct
    Wrong
  • 2
    1080 sq. cm.
    Correct
    Wrong
  • 3
    1000 sq cm
    Correct
    Wrong
  • 4
    4320 sq. cm.
    Correct
    Wrong
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Answer : 2. "1080 sq. cm."

Q:

If the volumes of two cubes are in the ratio 27 : 64 and then the ratio of their total surface area is 

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  • 1
    27 : 64
    Correct
    Wrong
  • 2
    3 : 4
    Correct
    Wrong
  • 3
    9 : 16
    Correct
    Wrong
  • 4
    3 : 8
    Correct
    Wrong
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Answer : 3. "9 : 16 "

Q:

The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.

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

Q:

Direction: Study the following graph carefully and answer the following questions.

The production of company D is approximately how many time that of the production of company A?

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  • 1
    1.5
    Correct
    Wrong
  • 2
    1.11
    Correct
    Wrong
  • 3
    1.8
    Correct
    Wrong
  • 4
    2.5
    Correct
    Wrong
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Answer : 3. "1.8"

Q:

The value of $$ {(cos {\ 9°}+sin{\ 81°}})({sec {\ {9°}+cosec{\ 81°}}})\over{sin{\ 56°}sec{\ 34° }}+ {cos{\ 25°}cosec{\ 65°}}$$ is:

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

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 :

Percentage of the number of students in activity II to that of IV is ?

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  • 1
    37
    Correct
    Wrong
  • 2
    42
    Correct
    Wrong
  • 3
    48
    Correct
    Wrong
  • 4
    50
    Correct
    Wrong
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Answer : 4. "50"

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