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OPM1501 Assignment 3 2023
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OPM1501 Assignment 3 2023
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OPM1501Assignment
3 2023 ()
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Question 1 Find the missing number in the following number sequences: a)
3,6,9,…,15 b) 5,50,500,…,50 000 c) 7,...,21,28,...,42 d) ½,1,…,2,2½ e) 50,
…,30,20,10 f) 1,4,9,... g) 21.2,21.5,21.8,...,22.4 h) 8,32,128,… ,… i)
96⅓,96⅔,97,97⅓,… j) 19.3,18.6,…,17.2,… [13]
a) The missing number is 12. The sequence increases by 3 each time: 3, 6, 9,
12, 15.
b) The missing number is 5,000. The sequence multiplies by 10 each time: 5,
50, 500, 5,000, 50,000.
c) The missing number is 14. The sequence alternates between adding 7 and
adding 14: 7, 21, 28, 42.
d) The missing number is 1½. The sequence increases by ½ each time: ½, 1,
1½, 2, 2½.
e) The missing number is 40. The sequence decreases by 10 each time: 50,
40, 30, 20, 10.
f) The missing number is 16. The sequence represents the squares of
consecutive integers: 1², 2², 3², 4², 5².
g) The missing number is 22.1. The sequence increases by 0.3 each time:
21.2, 21.5, 21.8, 22.1, 22.4.
h) The missing number is 512. The sequence multiplies by 4 each time: 8,
32, 128, 512.
i) The missing number is 97⅔. The sequence increases by ⅓ each time: 96⅓,
96⅔, 97, 97⅓.
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