Self Studies
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Mix Test - 1...

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  • Question 1
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    A cone and a cylinder are of the same height. Their radii of the bases are in the ratio of 2 : 1. The ratio of their volume is :

  • Question 2
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    A photograph of a bacteria enlarged 50,000 times attains a length of 5 cm as shown in the diagram. If the photograph is enlarged 20,000 times only, what would be its enlarged length?

  • Question 3
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    When a die is thrown, what is the probability of getting a number greater than 3?

  • Question 4
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    A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of the base. How many parts of the base will be used in mixture by mixing 4 part of red pigment?

  • Question 5
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    The curved surface area of a cone is 3815.10 mm2 and the radius of the base of the cone is 27 mm. What is its height?

  • Question 6
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    If the height of a cylinder becomes 1/4 of the original height and the radius is doubled, then which of the following will be true?

  • Question 7
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    A covered wooden box has the inner measures as 115 cm, 75 cm and 35 cm and thickness of wood at 2.5 cm. The volume of the wood is

  • Question 8
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    Using identity (x - a)(x + a) = x2 - a2, find 62 - 52

  • Question 9
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    Numbers 1 to 20 are written on twenty separate slips (one number on one slip) kept in a box and mixed well. One slip is chosen from the box without looking into it. What is the probability of getting number 7?

  • Question 10
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    If the radius of the base of a right circular cone is 9r mm. and its height is equal to the radius of the base, find its volume in mm3.

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