alleryWhat is the arithmetic mean of 12, 15, 18, 21 and 24?
A16
B17
C19
D18
Answer & Solution
Correct answer: D. 18
The five values add up to 90, and 90 divided by 5 gives 18.
Keep practising Arithmetic Mean
Browse all Arithmetic Mean questions for SSC CGL, or explore more Quantitative Aptitude topics.
Related questions
Which average is described as the middle value after sorting?A weighted mean differs from a simple mean because some valuesPer capita income of a nation is an example of which statistic?The mode of a data set is the value thatIn a moderately skewed unimodal distribution, the median usually liesFor data in an arithmetic progression, the relation between mean and median is thatThe mean of any sample always liesFor an even number of ordered observations, the median is