IB Security 2019


For the following questions answer them individually

Question 11

Length of a minute hand of a clock is 14 cms. Area swept by the minute hand in 5 minutes is:

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Question 12

A metallic sphere of radius 4.2 cms. is melted and recast into the shape of a cylinder of radius 6 cms. Height of the resultant cylinder would be:

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Question 13

A box contains 3 blue, 2 white and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it would be white.

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Question 14

Which of the following cannot be the probability of an event?

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Question 15

Mean of a grouped data calculated using direct mean method, assumed mean method or step deviation mean method:

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Question 16

Which of the following is a Prime Number?

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Question 17

If polynomial P(x) = $$x^3 - 3x^2 + 5x - 3$$ is divided by polynomial G(x) = $$x^2 - 2$$, the quotient and remainder are:

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Question 18

If in triangle ABC, if side AB $$= 6\sqrt{3}$$, AC $$= 12$$ and BC $$= 6$$, then angle B equals:

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Question 19

What are the coordinates of the point which divides the line joining (-1, 7) and (4, -3) in the ratio 2 : 3?

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Question 20

Volume of a cone with radius r and height h is:

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