self Maths Puzzle

On a school test, Abby scored 71, Brian scored 63, Charlie scored 82, Daniel scored 54 and Eldy scored 95. What is the mean of their scores?

Read Solution (Total 3)

mean=sum of all/no of all=71+63+82+54+95/5=365/5=73
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total sum/total numbers
mean:73
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ans is..(71+63+82+54+95)/5=73(mean)
10 years agoHelpfull: Yes(0) No(0)

self Other Question

What isΣ ( ), where is the number of ways of choosing k items from 28 items? The sum of 3 consecutive integers is 57. What is the smallest integer in this list?