BIT1110  MATHEMATICS FOR SCIENCE. KCA Past Paper

UNIVERSITY EXAMINATIONS: 2016/2017
EXAMINATION FOR THE DEGREE OF BACHELOR OF SCIENCE IN
INFORMATION TECHNOLOGY
BIT1110 MATHEMATICS FOR SCIENCE
FULL TIME/PART TIME/DISTANCE LEARNING
SPECIAL/SUPPLEMENTARY EXAMINATION
DATE: JULY, 2017 TIME: 2 HOURS
INSTRUCTIONS: Answer Question One & ANY OTHER TWO questions.

QUESTION ONE (30 MARKS)
a) Clearly define a rational number and state two examples

QUESTION TWO (20 MARKS)

QUESTION THREE (20 MARKS)

QUESTION FOUR (20 MARKS)

a) i. Define permutation and combinations (2 Marks)
ii. In how many ways can the three letters word be formed from the letters of the
word EQUATIONS? (3 Marks)
iii. The manager of Kasuku supermarket has been supplied with five products, but
there are three available display slots for the products. Determine the number of
ways the manager can arrange the products given that repetition is not allowed.
(3 Marks)
b) i. State the difference between a sequence and a series (2 Marks)
ii) Use series to express the repeated decimal into a fraction
6.75
(5 Marks)
c) The purchase value of an office computer is $40,500.Its annual appreciation is $ 2000
.Find the value of the computer after 7 years. (5 Marks)
QUESTION FIVE (20 MARKS)

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