Mathematics C Mid Term 2 Examination Paper
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SAMPLE C
Mathematics C
Mid Term 2 Examination Paper
Question 1 (12 marks) Use a SEPARATE book clearly marked Question 1
(i) Evaluate
(ii) If a card is chosen at random from a regular pack of 52 cards, find the probability that it is a black Queen.
(iii) The odds in favour of event E are 4:5. Find the probability of event E .
(iii) If , find the value of
(iv) Evaluate
(vi) Find the number of different arrangements in a line of the letters of the place name HONG KONG.
(vii) Find the number of ways in which a committee of 5 can be selected from 30 people.
(viii) If A and B are not mutually exclusive events, and and
Question 2 (12 marks) Use a SEPARATE book clearly marked Question 2
(i) Find the primitive function (indefinite integral) of each of the following:
(a)
(b)
(ii) Find the coefficient of x3 in the expansion of (5 - 2x)6 .
(iii) Find the number of ways in which the letters of the word DEGREE can be arranged in a line:
(a) with no restrictions.
(b) with the letters E together.
(c) with the letter D at one end of the line and the letter G at the other end of the line.
(d) with the vowels and consonants in alternating positions.
(iv) The diagram shows the curve y= and the line y=2. Find the area of the region bounded by the curve y=, the line y=2 and the y-axis.
Question 3 (12 marks) Use a SEPARATE book clearly marked Question 3
(i) A function is given by
(a) Find the x-intercept of the curve y = f(x) correct to one decimal place.
(b) Find the equations of the two asymptotes of the curve y = f(x).
(c) Find the coordinates of the stationary point on the curve y = f(x) and determine its nature.
(d) Sketch the curve y=f(x) showing its essential features.
(e) Using your graph in part (d) or otherwise:
(α) state the values of x for which f(x) is decreasing.
(β) find the values of k for which the equation has 3 distinct real solutions.
(ii) A die is loaded so that the probability of getting an even number is p. This die is rolled 10 times.
(a) Write an expression in terms of p for the probability that an even number appears 4 times.
(b) Find the value of p if the probability that an even number appears 5 times is twice the probability that an even number appears 4 times.
2023-08-29