Following are the ages of 10 teachers in a school : 32, 41, 28, 54, 35, 26, 23, 33, 38 and 40 (i) The range of their ages is
23
54
31
26
A
54
B
31
C
23
D
26
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Solution
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Age of oldest teachers=54 yerars Age of youngest teachers = 23 years ∴ Range = (54-23) years =31 years
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