Prime DSE Series - Mathematics Mock Exam Papers (Compulsory)(Sixth Edition) Set 2 Paper 1&2

11 HKDSE-MATH-CP (Set 2 P2) © United Prime Educational Publishing (HK) Ltd. Go on to the next page 28. A bag contains 30 balls, where m of them are red. If a ball is randomly drawn from the bag, then the probability that the ball drawn is not red is m 1 5 + . Find the value(s) of m . A. 5 B. 6 C. 24 D. 5 or 24 29. Which of the following can be obtained from a box-and-whisker diagram showing the distribution of the examination scores of a class of students? I. The highest score II. The mean of the distribution III. The inter-quartile range of the distribution A. I and II only B. I and III only C. II and III only D. I, II and III 30. Consider the following data: 4 7 7 9 16 18 20 x y z If the median and the mode of the above data are 15 and 18 respectively, then the mean of the above data is A. 12.9. B. 13.1. C. 13.2. D. 13.5. Sample © United Prime Educational Publishing (HK) Limited 2025 All rights reserved; no part of this publication may be reproduced, photocopied, recorded or otherwise, without the prior written permission of the Publisher.